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Finding the Fourth Proportional to 3,751.76, 5,177.26 and 2,073.10

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Solution

The fourth proportional to 3,751.76, 5,177.26 and 2,073.10 is: 2,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.76 : 5,177.26 = 2,073.10 : x
  2. Step 2: Convert to fraction form
    3,751.76/5,177.26 = 2,073.10/x
  3. Step 3: Cross multiply
    3,751.76x = 5,177.26 × 2,073.10
  4. Step 4: Simplify right side
    3,751.76x = 10,732,977.71
  5. Step 5: Solve for x
    x = 10,732,977.71/3,751.76
  6. Step 6: Final answer
    x = 2,860.78

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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.