Home / 5,154.32-7,116.66-3,167.54

Finding the Fourth Proportional to 5,154.32, 7,116.66 and 3,167.54

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Solution

The fourth proportional to 5,154.32, 7,116.66 and 3,167.54 is: 4,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.32 : 7,116.66 = 3,167.54 : x
  2. Step 2: Convert to fraction form
    5,154.32/7,116.66 = 3,167.54/x
  3. Step 3: Cross multiply
    5,154.32x = 7,116.66 × 3,167.54
  4. Step 4: Simplify right side
    5,154.32x = 22,542,305.22
  5. Step 5: Solve for x
    x = 22,542,305.22/5,154.32
  6. Step 6: Final answer
    x = 4,373.48

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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.