Home / 5,736.21-7,914.17-3,217.95

Finding the Fourth Proportional to 5,736.21, 7,914.17 and 3,217.95

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Solution

The fourth proportional to 5,736.21, 7,914.17 and 3,217.95 is: 4,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.21 : 7,914.17 = 3,217.95 : x
  2. Step 2: Convert to fraction form
    5,736.21/7,914.17 = 3,217.95/x
  3. Step 3: Cross multiply
    5,736.21x = 7,914.17 × 3,217.95
  4. Step 4: Simplify right side
    5,736.21x = 25,467,387.26
  5. Step 5: Solve for x
    x = 25,467,387.26/5,736.21
  6. Step 6: Final answer
    x = 4,439.76

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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.