Home / 3,281.35-4,922.66-1,060.78

Finding the Fourth Proportional to 3,281.35, 4,922.66 and 1,060.78

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Solution

The fourth proportional to 3,281.35, 4,922.66 and 1,060.78 is: 1,591.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.35 : 4,922.66 = 1,060.78 : x
  2. Step 2: Convert to fraction form
    3,281.35/4,922.66 = 1,060.78/x
  3. Step 3: Cross multiply
    3,281.35x = 4,922.66 × 1,060.78
  4. Step 4: Simplify right side
    3,281.35x = 5,221,841.66
  5. Step 5: Solve for x
    x = 5,221,841.66/3,281.35
  6. Step 6: Final answer
    x = 1,591.37

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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.