Home / 5,170.64-7,135.09-2,932.61

Finding the Fourth Proportional to 5,170.64, 7,135.09 and 2,932.61

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Solution

The fourth proportional to 5,170.64, 7,135.09 and 2,932.61 is: 4,046.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.64 : 7,135.09 = 2,932.61 : x
  2. Step 2: Convert to fraction form
    5,170.64/7,135.09 = 2,932.61/x
  3. Step 3: Cross multiply
    5,170.64x = 7,135.09 × 2,932.61
  4. Step 4: Simplify right side
    5,170.64x = 20,924,393.28
  5. Step 5: Solve for x
    x = 20,924,393.28/5,170.64
  6. Step 6: Final answer
    x = 4,046.77

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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.