Question

fill in the chart with the equivalent proportions.

original proportion	directions	equivalent proportion

original proportion	directions	equivalent proportion

Explanation:

Step1: Find reciprocal of left ratio

The reciprocal of $\frac{c}{1}$ is $\frac{1}{c}$.

Step2: Find reciprocal of right ratio

The reciprocal of $\frac{b}{7}$ is $\frac{7}{b}$.

Step3: Form equivalent proportion

Set the reciprocals equal to each other.

Answer:

$\frac{1}{c} = \frac{7}{b}$