Home / 5,707-8,560.22-2,198.68

Finding the Fourth Proportional to 5,707, 8,560.22 and 2,198.68

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Solution

The fourth proportional to 5,707, 8,560.22 and 2,198.68 is: 3,297.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707 : 8,560.22 = 2,198.68 : x
  2. Step 2: Convert to fraction form
    5,707/8,560.22 = 2,198.68/x
  3. Step 3: Cross multiply
    5,707x = 8,560.22 × 2,198.68
  4. Step 4: Simplify right side
    5,707x = 18,821,184.51
  5. Step 5: Solve for x
    x = 18,821,184.51/5,707
  6. Step 6: Final answer
    x = 3,297.91

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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.