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Finding the Fourth Proportional to 3,753.38, 5,179.67 and 2,097.38

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Solution

The fourth proportional to 3,753.38, 5,179.67 and 2,097.38 is: 2,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.38 : 5,179.67 = 2,097.38 : x
  2. Step 2: Convert to fraction form
    3,753.38/5,179.67 = 2,097.38/x
  3. Step 3: Cross multiply
    3,753.38x = 5,179.67 × 2,097.38
  4. Step 4: Simplify right side
    3,753.38x = 10,863,699.88
  5. Step 5: Solve for x
    x = 10,863,699.88/3,753.38
  6. Step 6: Final answer
    x = 2,894.38

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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.