Home / 3,972.33-5,481.90-2,203.88

Finding the Fourth Proportional to 3,972.33, 5,481.90 and 2,203.88

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Solution

The fourth proportional to 3,972.33, 5,481.90 and 2,203.88 is: 3,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.33 : 5,481.90 = 2,203.88 : x
  2. Step 2: Convert to fraction form
    3,972.33/5,481.90 = 2,203.88/x
  3. Step 3: Cross multiply
    3,972.33x = 5,481.90 × 2,203.88
  4. Step 4: Simplify right side
    3,972.33x = 12,081,422.36
  5. Step 5: Solve for x
    x = 12,081,422.36/3,972.33
  6. Step 6: Final answer
    x = 3,041.39

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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.