Home / 5,198.42-7,173.96-3,103.76

Finding the Fourth Proportional to 5,198.42, 7,173.96 and 3,103.76

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Solution

The fourth proportional to 5,198.42, 7,173.96 and 3,103.76 is: 4,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.42 : 7,173.96 = 3,103.76 : x
  2. Step 2: Convert to fraction form
    5,198.42/7,173.96 = 3,103.76/x
  3. Step 3: Cross multiply
    5,198.42x = 7,173.96 × 3,103.76
  4. Step 4: Simplify right side
    5,198.42x = 22,266,250.09
  5. Step 5: Solve for x
    x = 22,266,250.09/5,198.42
  6. Step 6: Final answer
    x = 4,283.27

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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.