Home / 5,708.91-8,561.73-2,198.67

Finding the Fourth Proportional to 5,708.91, 8,561.73 and 2,198.67

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Solution

The fourth proportional to 5,708.91, 8,561.73 and 2,198.67 is: 3,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.91 : 8,561.73 = 2,198.67 : x
  2. Step 2: Convert to fraction form
    5,708.91/8,561.73 = 2,198.67/x
  3. Step 3: Cross multiply
    5,708.91x = 8,561.73 × 2,198.67
  4. Step 4: Simplify right side
    5,708.91x = 18,824,418.90
  5. Step 5: Solve for x
    x = 18,824,418.90/5,708.91
  6. Step 6: Final answer
    x = 3,297.38

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1.5x scale

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.