Home / 6,915.17-9,542.99-3,771.29

Finding the Fourth Proportional to 6,915.17, 9,542.99 and 3,771.29

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Solution

The fourth proportional to 6,915.17, 9,542.99 and 3,771.29 is: 5,204.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.17 : 9,542.99 = 3,771.29 : x
  2. Step 2: Convert to fraction form
    6,915.17/9,542.99 = 3,771.29/x
  3. Step 3: Cross multiply
    6,915.17x = 9,542.99 × 3,771.29
  4. Step 4: Simplify right side
    6,915.17x = 35,989,363.90
  5. Step 5: Solve for x
    x = 35,989,363.90/6,915.17
  6. Step 6: Final answer
    x = 5,204.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.