Home / 5,424.28-8,143.95-2,793.66

Finding the Fourth Proportional to 5,424.28, 8,143.95 and 2,793.66

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Solution

The fourth proportional to 5,424.28, 8,143.95 and 2,793.66 is: 4,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.28 : 8,143.95 = 2,793.66 : x
  2. Step 2: Convert to fraction form
    5,424.28/8,143.95 = 2,793.66/x
  3. Step 3: Cross multiply
    5,424.28x = 8,143.95 × 2,793.66
  4. Step 4: Simplify right side
    5,424.28x = 22,751,468.15
  5. Step 5: Solve for x
    x = 22,751,468.15/5,424.28
  6. Step 6: Final answer
    x = 4,194.37

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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.