Home / 7,296.21-10,939.51-3,600.85

Finding the Fourth Proportional to 7,296.21, 10,939.51 and 3,600.85

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Solution

The fourth proportional to 7,296.21, 10,939.51 and 3,600.85 is: 5,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296.21 : 10,939.51 = 3,600.85 : x
  2. Step 2: Convert to fraction form
    7,296.21/10,939.51 = 3,600.85/x
  3. Step 3: Cross multiply
    7,296.21x = 10,939.51 × 3,600.85
  4. Step 4: Simplify right side
    7,296.21x = 39,391,534.58
  5. Step 5: Solve for x
    x = 39,391,534.58/7,296.21
  6. Step 6: Final answer
    x = 5,398.90

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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.