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Finding the Fourth Proportional to 3,957.48, 5,933.34 and 2,572.20

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Solution

The fourth proportional to 3,957.48, 5,933.34 and 2,572.20 is: 3,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.48 : 5,933.34 = 2,572.20 : x
  2. Step 2: Convert to fraction form
    3,957.48/5,933.34 = 2,572.20/x
  3. Step 3: Cross multiply
    3,957.48x = 5,933.34 × 2,572.20
  4. Step 4: Simplify right side
    3,957.48x = 15,261,737.15
  5. Step 5: Solve for x
    x = 15,261,737.15/3,957.48
  6. Step 6: Final answer
    x = 3,856.43

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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.