Home / 5,234.20-7,849.25-2,113.63

Finding the Fourth Proportional to 5,234.20, 7,849.25 and 2,113.63

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Solution

The fourth proportional to 5,234.20, 7,849.25 and 2,113.63 is: 3,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.20 : 7,849.25 = 2,113.63 : x
  2. Step 2: Convert to fraction form
    5,234.20/7,849.25 = 2,113.63/x
  3. Step 3: Cross multiply
    5,234.20x = 7,849.25 × 2,113.63
  4. Step 4: Simplify right side
    5,234.20x = 16,590,399.90
  5. Step 5: Solve for x
    x = 16,590,399.90/5,234.20
  6. Step 6: Final answer
    x = 3,169.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.