Home / 7,201.88-10,802.82-2,272.02

Finding the Fourth Proportional to 7,201.88, 10,802.82 and 2,272.02

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Solution

The fourth proportional to 7,201.88, 10,802.82 and 2,272.02 is: 3,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201.88 : 10,802.82 = 2,272.02 : x
  2. Step 2: Convert to fraction form
    7,201.88/10,802.82 = 2,272.02/x
  3. Step 3: Cross multiply
    7,201.88x = 10,802.82 × 2,272.02
  4. Step 4: Simplify right side
    7,201.88x = 24,544,178.33
  5. Step 5: Solve for x
    x = 24,544,178.33/7,201.88
  6. Step 6: Final answer
    x = 3,408.02

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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.