Home / 4,103.68-6,148.46-3,231.78

Finding the Fourth Proportional to 4,103.68, 6,148.46 and 3,231.78

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Solution

The fourth proportional to 4,103.68, 6,148.46 and 3,231.78 is: 4,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.68 : 6,148.46 = 3,231.78 : x
  2. Step 2: Convert to fraction form
    4,103.68/6,148.46 = 3,231.78/x
  3. Step 3: Cross multiply
    4,103.68x = 6,148.46 × 3,231.78
  4. Step 4: Simplify right side
    4,103.68x = 19,870,470.06
  5. Step 5: Solve for x
    x = 19,870,470.06/4,103.68
  6. Step 6: Final answer
    x = 4,842.11

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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.