Home / 5,172.39-7,757.19-2,250

Finding the Fourth Proportional to 5,172.39, 7,757.19 and 2,250

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Solution

The fourth proportional to 5,172.39, 7,757.19 and 2,250 is: 3,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.39 : 7,757.19 = 2,250 : x
  2. Step 2: Convert to fraction form
    5,172.39/7,757.19 = 2,250/x
  3. Step 3: Cross multiply
    5,172.39x = 7,757.19 × 2,250
  4. Step 4: Simplify right side
    5,172.39x = 17,453,677.50
  5. Step 5: Solve for x
    x = 17,453,677.50/5,172.39
  6. Step 6: Final answer
    x = 3,374.39

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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.