Home / 3,141.28-4,712.10-1,195.84

Finding the Fourth Proportional to 3,141.28, 4,712.10 and 1,195.84

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Solution

The fourth proportional to 3,141.28, 4,712.10 and 1,195.84 is: 1,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.28 : 4,712.10 = 1,195.84 : x
  2. Step 2: Convert to fraction form
    3,141.28/4,712.10 = 1,195.84/x
  3. Step 3: Cross multiply
    3,141.28x = 4,712.10 × 1,195.84
  4. Step 4: Simplify right side
    3,141.28x = 5,634,917.66
  5. Step 5: Solve for x
    x = 5,634,917.66/3,141.28
  6. Step 6: Final answer
    x = 1,793.83

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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.