Home / 5,486.43-7,571.39-3,247.49

Finding the Fourth Proportional to 5,486.43, 7,571.39 and 3,247.49

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Solution

The fourth proportional to 5,486.43, 7,571.39 and 3,247.49 is: 4,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.43 : 7,571.39 = 3,247.49 : x
  2. Step 2: Convert to fraction form
    5,486.43/7,571.39 = 3,247.49/x
  3. Step 3: Cross multiply
    5,486.43x = 7,571.39 × 3,247.49
  4. Step 4: Simplify right side
    5,486.43x = 24,588,013.31
  5. Step 5: Solve for x
    x = 24,588,013.31/5,486.43
  6. Step 6: Final answer
    x = 4,481.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.