Home / 5,238.50-7,229.18-2,848.49

Finding the Fourth Proportional to 5,238.50, 7,229.18 and 2,848.49

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Solution

The fourth proportional to 5,238.50, 7,229.18 and 2,848.49 is: 3,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.50 : 7,229.18 = 2,848.49 : x
  2. Step 2: Convert to fraction form
    5,238.50/7,229.18 = 2,848.49/x
  3. Step 3: Cross multiply
    5,238.50x = 7,229.18 × 2,848.49
  4. Step 4: Simplify right side
    5,238.50x = 20,592,245.02
  5. Step 5: Solve for x
    x = 20,592,245.02/5,238.50
  6. Step 6: Final answer
    x = 3,930.95

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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.