Home / 5,175.71-7,767.47-3,792.59

Finding the Fourth Proportional to 5,175.71, 7,767.47 and 3,792.59

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Solution

The fourth proportional to 5,175.71, 7,767.47 and 3,792.59 is: 5,691.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.71 : 7,767.47 = 3,792.59 : x
  2. Step 2: Convert to fraction form
    5,175.71/7,767.47 = 3,792.59/x
  3. Step 3: Cross multiply
    5,175.71x = 7,767.47 × 3,792.59
  4. Step 4: Simplify right side
    5,175.71x = 29,458,771.25
  5. Step 5: Solve for x
    x = 29,458,771.25/5,175.71
  6. Step 6: Final answer
    x = 5,691.74

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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.