Home / 5,198.82-7,175.18-3,311.23

Finding the Fourth Proportional to 5,198.82, 7,175.18 and 3,311.23

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Solution

The fourth proportional to 5,198.82, 7,175.18 and 3,311.23 is: 4,570.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.82 : 7,175.18 = 3,311.23 : x
  2. Step 2: Convert to fraction form
    5,198.82/7,175.18 = 3,311.23/x
  3. Step 3: Cross multiply
    5,198.82x = 7,175.18 × 3,311.23
  4. Step 4: Simplify right side
    5,198.82x = 23,758,671.27
  5. Step 5: Solve for x
    x = 23,758,671.27/5,198.82
  6. Step 6: Final answer
    x = 4,570.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.