Home / 5,085.26-7,625.12-2,161.96

Finding the Fourth Proportional to 5,085.26, 7,625.12 and 2,161.96

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Solution

The fourth proportional to 5,085.26, 7,625.12 and 2,161.96 is: 3,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.26 : 7,625.12 = 2,161.96 : x
  2. Step 2: Convert to fraction form
    5,085.26/7,625.12 = 2,161.96/x
  3. Step 3: Cross multiply
    5,085.26x = 7,625.12 × 2,161.96
  4. Step 4: Simplify right side
    5,085.26x = 16,485,204.44
  5. Step 5: Solve for x
    x = 16,485,204.44/5,085.26
  6. Step 6: Final answer
    x = 3,241.76

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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.