Home / 5,691.32-8,541.33-2,917.74

Finding the Fourth Proportional to 5,691.32, 8,541.33 and 2,917.74

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Solution

The fourth proportional to 5,691.32, 8,541.33 and 2,917.74 is: 4,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.32 : 8,541.33 = 2,917.74 : x
  2. Step 2: Convert to fraction form
    5,691.32/8,541.33 = 2,917.74/x
  3. Step 3: Cross multiply
    5,691.32x = 8,541.33 × 2,917.74
  4. Step 4: Simplify right side
    5,691.32x = 24,921,380.19
  5. Step 5: Solve for x
    x = 24,921,380.19/5,691.32
  6. Step 6: Final answer
    x = 4,378.84

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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.