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Finding the Fourth Proportional to 3,957.35, 5,936.67 and 1,492.39

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Solution

The fourth proportional to 3,957.35, 5,936.67 and 1,492.39 is: 2,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.35 : 5,936.67 = 1,492.39 : x
  2. Step 2: Convert to fraction form
    3,957.35/5,936.67 = 1,492.39/x
  3. Step 3: Cross multiply
    3,957.35x = 5,936.67 × 1,492.39
  4. Step 4: Simplify right side
    3,957.35x = 8,859,812.10
  5. Step 5: Solve for x
    x = 8,859,812.10/3,957.35
  6. Step 6: Final answer
    x = 2,238.82

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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.