Home / 5,721.30-8,578.66-3,049.60

Finding the Fourth Proportional to 5,721.30, 8,578.66 and 3,049.60

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Solution

The fourth proportional to 5,721.30, 8,578.66 and 3,049.60 is: 4,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.30 : 8,578.66 = 3,049.60 : x
  2. Step 2: Convert to fraction form
    5,721.30/8,578.66 = 3,049.60/x
  3. Step 3: Cross multiply
    5,721.30x = 8,578.66 × 3,049.60
  4. Step 4: Simplify right side
    5,721.30x = 26,161,481.54
  5. Step 5: Solve for x
    x = 26,161,481.54/5,721.30
  6. Step 6: Final answer
    x = 4,572.65

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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.