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Finding the Fourth Proportional to 5,164.73, 7,737.98 and 4,238.90

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Solution

The fourth proportional to 5,164.73, 7,737.98 and 4,238.90 is: 6,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.73 : 7,737.98 = 4,238.90 : x
  2. Step 2: Convert to fraction form
    5,164.73/7,737.98 = 4,238.90/x
  3. Step 3: Cross multiply
    5,164.73x = 7,737.98 × 4,238.90
  4. Step 4: Simplify right side
    5,164.73x = 32,800,463.54
  5. Step 5: Solve for x
    x = 32,800,463.54/5,164.73
  6. Step 6: Final answer
    x = 6,350.86

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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.