Home / 4,121.15-5,687.22-2,304.18

Finding the Fourth Proportional to 4,121.15, 5,687.22 and 2,304.18

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Solution

The fourth proportional to 4,121.15, 5,687.22 and 2,304.18 is: 3,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.15 : 5,687.22 = 2,304.18 : x
  2. Step 2: Convert to fraction form
    4,121.15/5,687.22 = 2,304.18/x
  3. Step 3: Cross multiply
    4,121.15x = 5,687.22 × 2,304.18
  4. Step 4: Simplify right side
    4,121.15x = 13,104,378.58
  5. Step 5: Solve for x
    x = 13,104,378.58/4,121.15
  6. Step 6: Final answer
    x = 3,179.79

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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.