Home / 3,972.30-5,482.43-2,204.47

Finding the Fourth Proportional to 3,972.30, 5,482.43 and 2,204.47

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Solution

The fourth proportional to 3,972.30, 5,482.43 and 2,204.47 is: 3,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.30 : 5,482.43 = 2,204.47 : x
  2. Step 2: Convert to fraction form
    3,972.30/5,482.43 = 2,204.47/x
  3. Step 3: Cross multiply
    3,972.30x = 5,482.43 × 2,204.47
  4. Step 4: Simplify right side
    3,972.30x = 12,085,841.44
  5. Step 5: Solve for x
    x = 12,085,841.44/3,972.30
  6. Step 6: Final answer
    x = 3,042.53

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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.