Home / 6,917.91-10,375.53-3,168.88

Finding the Fourth Proportional to 6,917.91, 10,375.53 and 3,168.88

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Solution

The fourth proportional to 6,917.91, 10,375.53 and 3,168.88 is: 4,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.91 : 10,375.53 = 3,168.88 : x
  2. Step 2: Convert to fraction form
    6,917.91/10,375.53 = 3,168.88/x
  3. Step 3: Cross multiply
    6,917.91x = 10,375.53 × 3,168.88
  4. Step 4: Simplify right side
    6,917.91x = 32,878,771.68
  5. Step 5: Solve for x
    x = 32,878,771.68/6,917.91
  6. Step 6: Final answer
    x = 4,752.70

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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.