Home / 3,972.64-5,481.65-2,204.26

Finding the Fourth Proportional to 3,972.64, 5,481.65 and 2,204.26

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Solution

The fourth proportional to 3,972.64, 5,481.65 and 2,204.26 is: 3,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.64 : 5,481.65 = 2,204.26 : x
  2. Step 2: Convert to fraction form
    3,972.64/5,481.65 = 2,204.26/x
  3. Step 3: Cross multiply
    3,972.64x = 5,481.65 × 2,204.26
  4. Step 4: Simplify right side
    3,972.64x = 12,082,981.83
  5. Step 5: Solve for x
    x = 12,082,981.83/3,972.64
  6. Step 6: Final answer
    x = 3,041.55

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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.