Proportion Concepts and Problem Solving

Front

What is the definition of a proportion?

Back

An equation stating that two ratios are equivalent.

Front

Back

x = 27

Front

How can you check if your solution to a proportion is correct?

Back

By substituting the solution back into the original proportion and verifying if the fractions are equal.

Front

What is the ratio of raisins to trail mix if there are 30 raisins in 100 grams of trail mix?

Back

30:100

Front

Back

n = 16

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

If a:b = 3:4, what is the value of b if a = 12?

Back

b = 16

Front

What is the cross-multiplication method in solving proportions?

Back

Cross-multiplication involves multiplying the numerator of one ratio by the denominator of the other ratio.

Front

Back

ad = bc.

Front

What is the simplest form of the ratio 50:100?

Back

1:2