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Finding the Fourth Proportional to 3,792.87, 5,692.10 and 2,152.62

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Solution

The fourth proportional to 3,792.87, 5,692.10 and 2,152.62 is: 3,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.87 : 5,692.10 = 2,152.62 : x
  2. Step 2: Convert to fraction form
    3,792.87/5,692.10 = 2,152.62/x
  3. Step 3: Cross multiply
    3,792.87x = 5,692.10 × 2,152.62
  4. Step 4: Simplify right side
    3,792.87x = 12,252,917.54
  5. Step 5: Solve for x
    x = 12,252,917.54/3,792.87
  6. Step 6: Final answer
    x = 3,230.51

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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.