Home / 7,713.26-11,571.98-2,519.13

Finding the Fourth Proportional to 7,713.26, 11,571.98 and 2,519.13

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Solution

The fourth proportional to 7,713.26, 11,571.98 and 2,519.13 is: 3,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.26 : 11,571.98 = 2,519.13 : x
  2. Step 2: Convert to fraction form
    7,713.26/11,571.98 = 2,519.13/x
  3. Step 3: Cross multiply
    7,713.26x = 11,571.98 × 2,519.13
  4. Step 4: Simplify right side
    7,713.26x = 29,151,309.38
  5. Step 5: Solve for x
    x = 29,151,309.38/7,713.26
  6. Step 6: Final answer
    x = 3,779.38

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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.