Home / 2,500.13-3,748.46-1,112.73

Finding the Fourth Proportional to 2,500.13, 3,748.46 and 1,112.73

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Solution

The fourth proportional to 2,500.13, 3,748.46 and 1,112.73 is: 1,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.13 : 3,748.46 = 1,112.73 : x
  2. Step 2: Convert to fraction form
    2,500.13/3,748.46 = 1,112.73/x
  3. Step 3: Cross multiply
    2,500.13x = 3,748.46 × 1,112.73
  4. Step 4: Simplify right side
    2,500.13x = 4,171,023.90
  5. Step 5: Solve for x
    x = 4,171,023.90/2,500.13
  6. Step 6: Final answer
    x = 1,668.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.