Finding the Fourth Proportional to 732.97, 1,105 and 693.28
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Solution
The fourth proportional to 732.97, 1,105 and 693.28 is: 1,045.16
Step by Step Solution
- Step 1: Write the proportion equation
732.97 : 1,105 = 693.28 : x - Step 2: Convert to fraction form
732.97/1,105 = 693.28/x - Step 3: Cross multiply
732.97x = 1,105 × 693.28 - Step 4: Simplify right side
732.97x = 766,074.40 - Step 5: Solve for x
x = 766,074.40/732.97 - Step 6: Final answer
x = 1,045.16
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.