Home / 2,486.24-3,727.20-1,185.92

Finding the Fourth Proportional to 2,486.24, 3,727.20 and 1,185.92

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Solution

The fourth proportional to 2,486.24, 3,727.20 and 1,185.92 is: 1,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.24 : 3,727.20 = 1,185.92 : x
  2. Step 2: Convert to fraction form
    2,486.24/3,727.20 = 1,185.92/x
  3. Step 3: Cross multiply
    2,486.24x = 3,727.20 × 1,185.92
  4. Step 4: Simplify right side
    2,486.24x = 4,420,161.02
  5. Step 5: Solve for x
    x = 4,420,161.02/2,486.24
  6. Step 6: Final answer
    x = 1,777.85

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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.