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Finding the Fourth Proportional to 3,773.16, 5,207.58 and 2,179.89

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Solution

The fourth proportional to 3,773.16, 5,207.58 and 2,179.89 is: 3,008.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.16 : 5,207.58 = 2,179.89 : x
  2. Step 2: Convert to fraction form
    3,773.16/5,207.58 = 2,179.89/x
  3. Step 3: Cross multiply
    3,773.16x = 5,207.58 × 2,179.89
  4. Step 4: Simplify right side
    3,773.16x = 11,351,951.57
  5. Step 5: Solve for x
    x = 11,351,951.57/3,773.16
  6. Step 6: Final answer
    x = 3,008.61

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1.5x scale

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.