Home / 5,086.44-7,624.43-2,126.61

Finding the Fourth Proportional to 5,086.44, 7,624.43 and 2,126.61

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Solution

The fourth proportional to 5,086.44, 7,624.43 and 2,126.61 is: 3,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.44 : 7,624.43 = 2,126.61 : x
  2. Step 2: Convert to fraction form
    5,086.44/7,624.43 = 2,126.61/x
  3. Step 3: Cross multiply
    5,086.44x = 7,624.43 × 2,126.61
  4. Step 4: Simplify right side
    5,086.44x = 16,214,178.45
  5. Step 5: Solve for x
    x = 16,214,178.45/5,086.44
  6. Step 6: Final answer
    x = 3,187.73

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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.