Home / 3,859.25-5,786.22-1,519.53

Finding the Fourth Proportional to 3,859.25, 5,786.22 and 1,519.53

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Solution

The fourth proportional to 3,859.25, 5,786.22 and 1,519.53 is: 2,278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.25 : 5,786.22 = 1,519.53 : x
  2. Step 2: Convert to fraction form
    3,859.25/5,786.22 = 1,519.53/x
  3. Step 3: Cross multiply
    3,859.25x = 5,786.22 × 1,519.53
  4. Step 4: Simplify right side
    3,859.25x = 8,792,305.95
  5. Step 5: Solve for x
    x = 8,792,305.95/3,859.25
  6. Step 6: Final answer
    x = 2,278.24

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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.