Home / 5,169.22-7,135.13-2,932.58

Finding the Fourth Proportional to 5,169.22, 7,135.13 and 2,932.58

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Solution

The fourth proportional to 5,169.22, 7,135.13 and 2,932.58 is: 4,047.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.22 : 7,135.13 = 2,932.58 : x
  2. Step 2: Convert to fraction form
    5,169.22/7,135.13 = 2,932.58/x
  3. Step 3: Cross multiply
    5,169.22x = 7,135.13 × 2,932.58
  4. Step 4: Simplify right side
    5,169.22x = 20,924,364.70
  5. Step 5: Solve for x
    x = 20,924,364.70/5,169.22
  6. Step 6: Final answer
    x = 4,047.88

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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.