Home / 2,252.12-3,379.67-791.26

Finding the Fourth Proportional to 2,252.12, 3,379.67 and 791.26

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Solution

The fourth proportional to 2,252.12, 3,379.67 and 791.26 is: 1,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.12 : 3,379.67 = 791.26 : x
  2. Step 2: Convert to fraction form
    2,252.12/3,379.67 = 791.26/x
  3. Step 3: Cross multiply
    2,252.12x = 3,379.67 × 791.26
  4. Step 4: Simplify right side
    2,252.12x = 2,674,207.26
  5. Step 5: Solve for x
    x = 2,674,207.26/2,252.12
  6. Step 6: Final answer
    x = 1,187.42

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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.