Home / 7,158.27-10,726.97-3,456.17

Finding the Fourth Proportional to 7,158.27, 10,726.97 and 3,456.17

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Solution

The fourth proportional to 7,158.27, 10,726.97 and 3,456.17 is: 5,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.27 : 10,726.97 = 3,456.17 : x
  2. Step 2: Convert to fraction form
    7,158.27/10,726.97 = 3,456.17/x
  3. Step 3: Cross multiply
    7,158.27x = 10,726.97 × 3,456.17
  4. Step 4: Simplify right side
    7,158.27x = 37,074,201.22
  5. Step 5: Solve for x
    x = 37,074,201.22/7,158.27
  6. Step 6: Final answer
    x = 5,179.21

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1.5x scale

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.