Home / 5,915.96-8,163.92-3,227.20

Finding the Fourth Proportional to 5,915.96, 8,163.92 and 3,227.20

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Solution

The fourth proportional to 5,915.96, 8,163.92 and 3,227.20 is: 4,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.96 : 8,163.92 = 3,227.20 : x
  2. Step 2: Convert to fraction form
    5,915.96/8,163.92 = 3,227.20/x
  3. Step 3: Cross multiply
    5,915.96x = 8,163.92 × 3,227.20
  4. Step 4: Simplify right side
    5,915.96x = 26,346,602.62
  5. Step 5: Solve for x
    x = 26,346,602.62/5,915.96
  6. Step 6: Final answer
    x = 4,453.48

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1.5x scale

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.