Home / 3,195.92-4,793.76-1,116.40

Finding the Fourth Proportional to 3,195.92, 4,793.76 and 1,116.40

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Solution

The fourth proportional to 3,195.92, 4,793.76 and 1,116.40 is: 1,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.92 : 4,793.76 = 1,116.40 : x
  2. Step 2: Convert to fraction form
    3,195.92/4,793.76 = 1,116.40/x
  3. Step 3: Cross multiply
    3,195.92x = 4,793.76 × 1,116.40
  4. Step 4: Simplify right side
    3,195.92x = 5,351,753.66
  5. Step 5: Solve for x
    x = 5,351,753.66/3,195.92
  6. Step 6: Final answer
    x = 1,674.56

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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.