Home / 3,792.97-5,234.28-2,114.36

Finding the Fourth Proportional to 3,792.97, 5,234.28 and 2,114.36

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Solution

The fourth proportional to 3,792.97, 5,234.28 and 2,114.36 is: 2,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.97 : 5,234.28 = 2,114.36 : x
  2. Step 2: Convert to fraction form
    3,792.97/5,234.28 = 2,114.36/x
  3. Step 3: Cross multiply
    3,792.97x = 5,234.28 × 2,114.36
  4. Step 4: Simplify right side
    3,792.97x = 11,067,152.26
  5. Step 5: Solve for x
    x = 11,067,152.26/3,792.97
  6. Step 6: Final answer
    x = 2,917.81

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1.5x scale

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.