Home / 7,200.75-10,805.99-2,583.75

Finding the Fourth Proportional to 7,200.75, 10,805.99 and 2,583.75

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Solution

The fourth proportional to 7,200.75, 10,805.99 and 2,583.75 is: 3,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.75 : 10,805.99 = 2,583.75 : x
  2. Step 2: Convert to fraction form
    7,200.75/10,805.99 = 2,583.75/x
  3. Step 3: Cross multiply
    7,200.75x = 10,805.99 × 2,583.75
  4. Step 4: Simplify right side
    7,200.75x = 27,919,976.66
  5. Step 5: Solve for x
    x = 27,919,976.66/7,200.75
  6. Step 6: Final answer
    x = 3,877.37

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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.