Proportions

Front

What is a proportion?

Back

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

Front

How do you solve a proportion?

Back

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

Front

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

Back

Front

If a baseball player has a hitting rate of 4 hits in 7 at-bats, how can you express this as a proportion?

Back

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions show that two ratios are equal.

Front

If a car travels 280 miles in 7 hours, what is the unit rate of speed?

Back

Front

How do you find the total number of attempts if a quarterback completes 21 passes out of 24 attempts?

Back

Front

What is the cross-multiplication method?

Back

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

Front

Back

Front

What does it mean if two ratios are equivalent?

Back

It means that they represent the same relationship between quantities.