Home / 5,227.96-7,215.60-3,103.96

Finding the Fourth Proportional to 5,227.96, 7,215.60 and 3,103.96

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Solution

The fourth proportional to 5,227.96, 7,215.60 and 3,103.96 is: 4,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.96 : 7,215.60 = 3,103.96 : x
  2. Step 2: Convert to fraction form
    5,227.96/7,215.60 = 3,103.96/x
  3. Step 3: Cross multiply
    5,227.96x = 7,215.60 × 3,103.96
  4. Step 4: Simplify right side
    5,227.96x = 22,396,933.78
  5. Step 5: Solve for x
    x = 22,396,933.78/5,227.96
  6. Step 6: Final answer
    x = 4,284.07

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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.