Solving Proportions

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What is a proportion?

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A proportion is an equation that states that two ratios are equal.

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How do you solve a proportion?

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To solve a proportion, cross-multiply the terms and then isolate the variable.

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What is the cross-multiplication method?

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The cross-multiplication method involves multiplying the numerator of one ratio by the denominator of the other ratio.

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What does it mean if two ratios are equivalent?

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It means that they represent the same relationship or proportion.

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How can you check if two fractions are in proportion?

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You can check by cross-multiplying and seeing if the products are equal.

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What is the formula for finding a missing value in a proportion?

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What is the significance of the term 'scale factor' in proportions?

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The scale factor is the ratio that compares two similar figures or quantities.

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How do you set up a proportion from a word problem?

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Identify the two ratios involved in the problem and set them equal to each other.

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What is an example of a real-world application of proportions?

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Determining the amount of ingredients needed in a recipe based on serving size.