Home / 2,272.77-3,402.80-1,229.03

Finding the Fourth Proportional to 2,272.77, 3,402.80 and 1,229.03

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Solution

The fourth proportional to 2,272.77, 3,402.80 and 1,229.03 is: 1,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.77 : 3,402.80 = 1,229.03 : x
  2. Step 2: Convert to fraction form
    2,272.77/3,402.80 = 1,229.03/x
  3. Step 3: Cross multiply
    2,272.77x = 3,402.80 × 1,229.03
  4. Step 4: Simplify right side
    2,272.77x = 4,182,143.28
  5. Step 5: Solve for x
    x = 4,182,143.28/2,272.77
  6. Step 6: Final answer
    x = 1,840.11

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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.