Home / 3,272.48-4,909.46-1,081.44

Finding the Fourth Proportional to 3,272.48, 4,909.46 and 1,081.44

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Solution

The fourth proportional to 3,272.48, 4,909.46 and 1,081.44 is: 1,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.48 : 4,909.46 = 1,081.44 : x
  2. Step 2: Convert to fraction form
    3,272.48/4,909.46 = 1,081.44/x
  3. Step 3: Cross multiply
    3,272.48x = 4,909.46 × 1,081.44
  4. Step 4: Simplify right side
    3,272.48x = 5,309,286.42
  5. Step 5: Solve for x
    x = 5,309,286.42/3,272.48
  6. Step 6: Final answer
    x = 1,622.40

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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.