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Finding the Fourth Proportional to 3,737.70, 5,600.37 and 2,640.18

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Solution

The fourth proportional to 3,737.70, 5,600.37 and 2,640.18 is: 3,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.70 : 5,600.37 = 2,640.18 : x
  2. Step 2: Convert to fraction form
    3,737.70/5,600.37 = 2,640.18/x
  3. Step 3: Cross multiply
    3,737.70x = 5,600.37 × 2,640.18
  4. Step 4: Simplify right side
    3,737.70x = 14,785,984.87
  5. Step 5: Solve for x
    x = 14,785,984.87/3,737.70
  6. Step 6: Final answer
    x = 3,955.90

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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.