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Finding the Fourth Proportional to 2,481.52, 3,737 and 2,160.76

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Solution

The fourth proportional to 2,481.52, 3,737 and 2,160.76 is: 3,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.52 : 3,737 = 2,160.76 : x
  2. Step 2: Convert to fraction form
    2,481.52/3,737 = 2,160.76/x
  3. Step 3: Cross multiply
    2,481.52x = 3,737 × 2,160.76
  4. Step 4: Simplify right side
    2,481.52x = 8,074,760.12
  5. Step 5: Solve for x
    x = 8,074,760.12/2,481.52
  6. Step 6: Final answer
    x = 3,253.96

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1.5x scale

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.