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Finding the Fourth Proportional to 3,757.62, 5,186 and 2,322.87

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Solution

The fourth proportional to 3,757.62, 5,186 and 2,322.87 is: 3,205.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.62 : 5,186 = 2,322.87 : x
  2. Step 2: Convert to fraction form
    3,757.62/5,186 = 2,322.87/x
  3. Step 3: Cross multiply
    3,757.62x = 5,186 × 2,322.87
  4. Step 4: Simplify right side
    3,757.62x = 12,046,403.82
  5. Step 5: Solve for x
    x = 12,046,403.82/3,757.62
  6. Step 6: Final answer
    x = 3,205.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.