Home / 5,806.22-8,708.52-2,109.38

Finding the Fourth Proportional to 5,806.22, 8,708.52 and 2,109.38

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Solution

The fourth proportional to 5,806.22, 8,708.52 and 2,109.38 is: 3,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.22 : 8,708.52 = 2,109.38 : x
  2. Step 2: Convert to fraction form
    5,806.22/8,708.52 = 2,109.38/x
  3. Step 3: Cross multiply
    5,806.22x = 8,708.52 × 2,109.38
  4. Step 4: Simplify right side
    5,806.22x = 18,369,577.92
  5. Step 5: Solve for x
    x = 18,369,577.92/5,806.22
  6. Step 6: Final answer
    x = 3,163.78

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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.