Home / 3,917.53-5,876.80-2,068.71

Finding the Fourth Proportional to 3,917.53, 5,876.80 and 2,068.71

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Solution

The fourth proportional to 3,917.53, 5,876.80 and 2,068.71 is: 3,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.53 : 5,876.80 = 2,068.71 : x
  2. Step 2: Convert to fraction form
    3,917.53/5,876.80 = 2,068.71/x
  3. Step 3: Cross multiply
    3,917.53x = 5,876.80 × 2,068.71
  4. Step 4: Simplify right side
    3,917.53x = 12,157,404.65
  5. Step 5: Solve for x
    x = 12,157,404.65/3,917.53
  6. Step 6: Final answer
    x = 3,103.34

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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.