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Finding the Fourth Proportional to 6,265.70, 8,640.69 and 3,747.41

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Solution

The fourth proportional to 6,265.70, 8,640.69 and 3,747.41 is: 5,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,265.70 : 8,640.69 = 3,747.41 : x
  2. Step 2: Convert to fraction form
    6,265.70/8,640.69 = 3,747.41/x
  3. Step 3: Cross multiply
    6,265.70x = 8,640.69 × 3,747.41
  4. Step 4: Simplify right side
    6,265.70x = 32,380,164.91
  5. Step 5: Solve for x
    x = 32,380,164.91/6,265.70
  6. Step 6: Final answer
    x = 5,167.85

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Double scale
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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.