3.3 Equivalent Ratio Tables - Missing Values

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different. For example, the ratios 1:2 and 2:4 are equivalent.

Front

How do you find a missing value in a ratio table?

Back

To find a missing value in a ratio table, you can set up a proportion using the known values and solve for the unknown.

Front

If the ratio of red paint to yellow paint is 3:5, how much yellow paint is needed for 9 oz of red paint?

Back

15 oz of yellow paint is needed.

Front

What is the formula for finding equivalent ratios?

Back

The formula for finding equivalent ratios is: (a/b) = (c/d), where a and b are the first ratio and c and d are the second ratio.

Front

What does it mean to scale a ratio?

Back

Scaling a ratio means multiplying or dividing both terms of the ratio by the same number to create an equivalent ratio.

Front

If A is 45 in a ratio table, what could be a possible equivalent ratio?

Back

If A is 45, an equivalent ratio could be 90:2 or 15:1.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first term is the numerator and the second term is the denominator.

Front

How can you check if two ratios are equivalent?

Back

You can check if two ratios are equivalent by cross-multiplying and comparing the products.

Front

What is the missing value if the ratio is 4:7 and the known value is 28?

Back

The missing value is 49.

Front

If the ratio of A to B is 3:4, what is B if A is 84?

Back

B is 112.