Home / 5,910.76-8,860.46-2,211.96

Finding the Fourth Proportional to 5,910.76, 8,860.46 and 2,211.96

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Solution

The fourth proportional to 5,910.76, 8,860.46 and 2,211.96 is: 3,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.76 : 8,860.46 = 2,211.96 : x
  2. Step 2: Convert to fraction form
    5,910.76/8,860.46 = 2,211.96/x
  3. Step 3: Cross multiply
    5,910.76x = 8,860.46 × 2,211.96
  4. Step 4: Simplify right side
    5,910.76x = 19,598,983.10
  5. Step 5: Solve for x
    x = 19,598,983.10/5,910.76
  6. Step 6: Final answer
    x = 3,315.81

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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.