Home / 5,676.13-8,508.19-2,163.86

Finding the Fourth Proportional to 5,676.13, 8,508.19 and 2,163.86

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Solution

The fourth proportional to 5,676.13, 8,508.19 and 2,163.86 is: 3,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.13 : 8,508.19 = 2,163.86 : x
  2. Step 2: Convert to fraction form
    5,676.13/8,508.19 = 2,163.86/x
  3. Step 3: Cross multiply
    5,676.13x = 8,508.19 × 2,163.86
  4. Step 4: Simplify right side
    5,676.13x = 18,410,567.88
  5. Step 5: Solve for x
    x = 18,410,567.88/5,676.13
  6. Step 6: Final answer
    x = 3,243.51

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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.