Home / 3,972.39-5,481.86-2,204

Finding the Fourth Proportional to 3,972.39, 5,481.86 and 2,204

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Solution

The fourth proportional to 3,972.39, 5,481.86 and 2,204 is: 3,041.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.39 : 5,481.86 = 2,204 : x
  2. Step 2: Convert to fraction form
    3,972.39/5,481.86 = 2,204/x
  3. Step 3: Cross multiply
    3,972.39x = 5,481.86 × 2,204
  4. Step 4: Simplify right side
    3,972.39x = 12,082,019.44
  5. Step 5: Solve for x
    x = 12,082,019.44/3,972.39
  6. Step 6: Final answer
    x = 3,041.50

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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.