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Finding the Fourth Proportional to 3,773.88, 5,207.82 and 2,281.25

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Solution

The fourth proportional to 3,773.88, 5,207.82 and 2,281.25 is: 3,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.88 : 5,207.82 = 2,281.25 : x
  2. Step 2: Convert to fraction form
    3,773.88/5,207.82 = 2,281.25/x
  3. Step 3: Cross multiply
    3,773.88x = 5,207.82 × 2,281.25
  4. Step 4: Simplify right side
    3,773.88x = 11,880,339.38
  5. Step 5: Solve for x
    x = 11,880,339.38/3,773.88
  6. Step 6: Final answer
    x = 3,148.04

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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.