Home / 3,062.80-4,224-2,229.04

Finding the Fourth Proportional to 3,062.80, 4,224 and 2,229.04

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Solution

The fourth proportional to 3,062.80, 4,224 and 2,229.04 is: 3,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.80 : 4,224 = 2,229.04 : x
  2. Step 2: Convert to fraction form
    3,062.80/4,224 = 2,229.04/x
  3. Step 3: Cross multiply
    3,062.80x = 4,224 × 2,229.04
  4. Step 4: Simplify right side
    3,062.80x = 9,415,464.96
  5. Step 5: Solve for x
    x = 9,415,464.96/3,062.80
  6. Step 6: Final answer
    x = 3,074.14

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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.