Home / 3,292.56-4,539.72-2,872.92

Finding the Fourth Proportional to 3,292.56, 4,539.72 and 2,872.92

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Solution

The fourth proportional to 3,292.56, 4,539.72 and 2,872.92 is: 3,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.56 : 4,539.72 = 2,872.92 : x
  2. Step 2: Convert to fraction form
    3,292.56/4,539.72 = 2,872.92/x
  3. Step 3: Cross multiply
    3,292.56x = 4,539.72 × 2,872.92
  4. Step 4: Simplify right side
    3,292.56x = 13,042,252.38
  5. Step 5: Solve for x
    x = 13,042,252.38/3,292.56
  6. Step 6: Final answer
    x = 3,961.13

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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.