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Finding the Fourth Proportional to 3,537.47, 5,306.20 and 940.41

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Solution

The fourth proportional to 3,537.47, 5,306.20 and 940.41 is: 1,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.47 : 5,306.20 = 940.41 : x
  2. Step 2: Convert to fraction form
    3,537.47/5,306.20 = 940.41/x
  3. Step 3: Cross multiply
    3,537.47x = 5,306.20 × 940.41
  4. Step 4: Simplify right side
    3,537.47x = 4,989,972.31
  5. Step 5: Solve for x
    x = 4,989,972.31/3,537.47
  6. Step 6: Final answer
    x = 1,410.61

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.