Home / 2,247.90-3,371.31-1,151.70

Finding the Fourth Proportional to 2,247.90, 3,371.31 and 1,151.70

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Solution

The fourth proportional to 2,247.90, 3,371.31 and 1,151.70 is: 1,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.90 : 3,371.31 = 1,151.70 : x
  2. Step 2: Convert to fraction form
    2,247.90/3,371.31 = 1,151.70/x
  3. Step 3: Cross multiply
    2,247.90x = 3,371.31 × 1,151.70
  4. Step 4: Simplify right side
    2,247.90x = 3,882,737.73
  5. Step 5: Solve for x
    x = 3,882,737.73/2,247.90
  6. Step 6: Final answer
    x = 1,727.27

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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.