Home / 2,361.68-3,540.79-1,191.11

Finding the Fourth Proportional to 2,361.68, 3,540.79 and 1,191.11

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Solution

The fourth proportional to 2,361.68, 3,540.79 and 1,191.11 is: 1,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.68 : 3,540.79 = 1,191.11 : x
  2. Step 2: Convert to fraction form
    2,361.68/3,540.79 = 1,191.11/x
  3. Step 3: Cross multiply
    2,361.68x = 3,540.79 × 1,191.11
  4. Step 4: Simplify right side
    2,361.68x = 4,217,446.72
  5. Step 5: Solve for x
    x = 4,217,446.72/2,361.68
  6. Step 6: Final answer
    x = 1,785.78

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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.