Home / 5,198.94-7,173-3,103.38

Finding the Fourth Proportional to 5,198.94, 7,173 and 3,103.38

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Solution

The fourth proportional to 5,198.94, 7,173 and 3,103.38 is: 4,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.94 : 7,173 = 3,103.38 : x
  2. Step 2: Convert to fraction form
    5,198.94/7,173 = 3,103.38/x
  3. Step 3: Cross multiply
    5,198.94x = 7,173 × 3,103.38
  4. Step 4: Simplify right side
    5,198.94x = 22,260,544.74
  5. Step 5: Solve for x
    x = 22,260,544.74/5,198.94
  6. Step 6: Final answer
    x = 4,281.75

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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.