Home / 3,972.25-5,481.71-2,204.13

Finding the Fourth Proportional to 3,972.25, 5,481.71 and 2,204.13

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Solution

The fourth proportional to 3,972.25, 5,481.71 and 2,204.13 is: 3,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.25 : 5,481.71 = 2,204.13 : x
  2. Step 2: Convert to fraction form
    3,972.25/5,481.71 = 2,204.13/x
  3. Step 3: Cross multiply
    3,972.25x = 5,481.71 × 2,204.13
  4. Step 4: Simplify right side
    3,972.25x = 12,082,401.46
  5. Step 5: Solve for x
    x = 12,082,401.46/3,972.25
  6. Step 6: Final answer
    x = 3,041.70

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1.5x scale

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.