Home / 2,292.91-3,163.68-1,297.97

Finding the Fourth Proportional to 2,292.91, 3,163.68 and 1,297.97

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Solution

The fourth proportional to 2,292.91, 3,163.68 and 1,297.97 is: 1,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.91 : 3,163.68 = 1,297.97 : x
  2. Step 2: Convert to fraction form
    2,292.91/3,163.68 = 1,297.97/x
  3. Step 3: Cross multiply
    2,292.91x = 3,163.68 × 1,297.97
  4. Step 4: Simplify right side
    2,292.91x = 4,106,361.73
  5. Step 5: Solve for x
    x = 4,106,361.73/2,292.91
  6. Step 6: Final answer
    x = 1,790.90

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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.