Home / 3,231.92-4,459.56-1,834.64

Finding the Fourth Proportional to 3,231.92, 4,459.56 and 1,834.64

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Solution

The fourth proportional to 3,231.92, 4,459.56 and 1,834.64 is: 2,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.92 : 4,459.56 = 1,834.64 : x
  2. Step 2: Convert to fraction form
    3,231.92/4,459.56 = 1,834.64/x
  3. Step 3: Cross multiply
    3,231.92x = 4,459.56 × 1,834.64
  4. Step 4: Simplify right side
    3,231.92x = 8,181,687.16
  5. Step 5: Solve for x
    x = 8,181,687.16/3,231.92
  6. Step 6: Final answer
    x = 2,531.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.