Home / 5,238.75-7,229.28-2,848.62

Finding the Fourth Proportional to 5,238.75, 7,229.28 and 2,848.62

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Solution

The fourth proportional to 5,238.75, 7,229.28 and 2,848.62 is: 3,930.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.75 : 7,229.28 = 2,848.62 : x
  2. Step 2: Convert to fraction form
    5,238.75/7,229.28 = 2,848.62/x
  3. Step 3: Cross multiply
    5,238.75x = 7,229.28 × 2,848.62
  4. Step 4: Simplify right side
    5,238.75x = 20,593,471.59
  5. Step 5: Solve for x
    x = 20,593,471.59/5,238.75
  6. Step 6: Final answer
    x = 3,930.99

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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.