Home / 2,195.90-3,290.46-1,462.82

Finding the Fourth Proportional to 2,195.90, 3,290.46 and 1,462.82

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Solution

The fourth proportional to 2,195.90, 3,290.46 and 1,462.82 is: 2,191.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.90 : 3,290.46 = 1,462.82 : x
  2. Step 2: Convert to fraction form
    2,195.90/3,290.46 = 1,462.82/x
  3. Step 3: Cross multiply
    2,195.90x = 3,290.46 × 1,462.82
  4. Step 4: Simplify right side
    2,195.90x = 4,813,350.70
  5. Step 5: Solve for x
    x = 4,813,350.70/2,195.90
  6. Step 6: Final answer
    x = 2,191.97

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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.