Home / 3,761.97-5,192.16-2,190.99

Finding the Fourth Proportional to 3,761.97, 5,192.16 and 2,190.99

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Solution

The fourth proportional to 3,761.97, 5,192.16 and 2,190.99 is: 3,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.97 : 5,192.16 = 2,190.99 : x
  2. Step 2: Convert to fraction form
    3,761.97/5,192.16 = 2,190.99/x
  3. Step 3: Cross multiply
    3,761.97x = 5,192.16 × 2,190.99
  4. Step 4: Simplify right side
    3,761.97x = 11,375,970.64
  5. Step 5: Solve for x
    x = 11,375,970.64/3,761.97
  6. Step 6: Final answer
    x = 3,023.94

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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.