Home / 5,470.02-7,542.05-3,792.87

Finding the Fourth Proportional to 5,470.02, 7,542.05 and 3,792.87

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Solution

The fourth proportional to 5,470.02, 7,542.05 and 3,792.87 is: 5,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.02 : 7,542.05 = 3,792.87 : x
  2. Step 2: Convert to fraction form
    5,470.02/7,542.05 = 3,792.87/x
  3. Step 3: Cross multiply
    5,470.02x = 7,542.05 × 3,792.87
  4. Step 4: Simplify right side
    5,470.02x = 28,605,996.22
  5. Step 5: Solve for x
    x = 28,605,996.22/5,470.02
  6. Step 6: Final answer
    x = 5,229.60

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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.