Home / 4,112.30-6,168.62-3,423.82

Finding the Fourth Proportional to 4,112.30, 6,168.62 and 3,423.82

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Solution

The fourth proportional to 4,112.30, 6,168.62 and 3,423.82 is: 5,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.30 : 6,168.62 = 3,423.82 : x
  2. Step 2: Convert to fraction form
    4,112.30/6,168.62 = 3,423.82/x
  3. Step 3: Cross multiply
    4,112.30x = 6,168.62 × 3,423.82
  4. Step 4: Simplify right side
    4,112.30x = 21,120,265.14
  5. Step 5: Solve for x
    x = 21,120,265.14/4,112.30
  6. Step 6: Final answer
    x = 5,135.88

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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.