Home / 2,203.11-3,304.80-743.22

Finding the Fourth Proportional to 2,203.11, 3,304.80 and 743.22

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Solution

The fourth proportional to 2,203.11, 3,304.80 and 743.22 is: 1,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.11 : 3,304.80 = 743.22 : x
  2. Step 2: Convert to fraction form
    2,203.11/3,304.80 = 743.22/x
  3. Step 3: Cross multiply
    2,203.11x = 3,304.80 × 743.22
  4. Step 4: Simplify right side
    2,203.11x = 2,456,193.46
  5. Step 5: Solve for x
    x = 2,456,193.46/2,203.11
  6. Step 6: Final answer
    x = 1,114.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.