Home / 4,321.38-6,484.50-1,724.52

Finding the Fourth Proportional to 4,321.38, 6,484.50 and 1,724.52

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Solution

The fourth proportional to 4,321.38, 6,484.50 and 1,724.52 is: 2,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.38 : 6,484.50 = 1,724.52 : x
  2. Step 2: Convert to fraction form
    4,321.38/6,484.50 = 1,724.52/x
  3. Step 3: Cross multiply
    4,321.38x = 6,484.50 × 1,724.52
  4. Step 4: Simplify right side
    4,321.38x = 11,182,649.94
  5. Step 5: Solve for x
    x = 11,182,649.94/4,321.38
  6. Step 6: Final answer
    x = 2,587.75

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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.