Home / 2,267.91-3,129.62-1,273.17

Finding the Fourth Proportional to 2,267.91, 3,129.62 and 1,273.17

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Solution

The fourth proportional to 2,267.91, 3,129.62 and 1,273.17 is: 1,756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.91 : 3,129.62 = 1,273.17 : x
  2. Step 2: Convert to fraction form
    2,267.91/3,129.62 = 1,273.17/x
  3. Step 3: Cross multiply
    2,267.91x = 3,129.62 × 1,273.17
  4. Step 4: Simplify right side
    2,267.91x = 3,984,531.93
  5. Step 5: Solve for x
    x = 3,984,531.93/2,267.91
  6. Step 6: Final answer
    x = 1,756.92

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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.