Home / 3,972.85-5,482.49-2,204.52

Finding the Fourth Proportional to 3,972.85, 5,482.49 and 2,204.52

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Solution

The fourth proportional to 3,972.85, 5,482.49 and 2,204.52 is: 3,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.85 : 5,482.49 = 2,204.52 : x
  2. Step 2: Convert to fraction form
    3,972.85/5,482.49 = 2,204.52/x
  3. Step 3: Cross multiply
    3,972.85x = 5,482.49 × 2,204.52
  4. Step 4: Simplify right side
    3,972.85x = 12,086,227.27
  5. Step 5: Solve for x
    x = 12,086,227.27/3,972.85
  6. Step 6: Final answer
    x = 3,042.21

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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.