Home / 3,272.61-4,516.11-1,856.43

Finding the Fourth Proportional to 3,272.61, 4,516.11 and 1,856.43

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Solution

The fourth proportional to 3,272.61, 4,516.11 and 1,856.43 is: 2,561.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.61 : 4,516.11 = 1,856.43 : x
  2. Step 2: Convert to fraction form
    3,272.61/4,516.11 = 1,856.43/x
  3. Step 3: Cross multiply
    3,272.61x = 4,516.11 × 1,856.43
  4. Step 4: Simplify right side
    3,272.61x = 8,383,842.09
  5. Step 5: Solve for x
    x = 8,383,842.09/3,272.61
  6. Step 6: Final answer
    x = 2,561.82

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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.