Home / 5,163.21-7,729.56-3,404.97

Finding the Fourth Proportional to 5,163.21, 7,729.56 and 3,404.97

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Solution

The fourth proportional to 5,163.21, 7,729.56 and 3,404.97 is: 5,097.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.21 : 7,729.56 = 3,404.97 : x
  2. Step 2: Convert to fraction form
    5,163.21/7,729.56 = 3,404.97/x
  3. Step 3: Cross multiply
    5,163.21x = 7,729.56 × 3,404.97
  4. Step 4: Simplify right side
    5,163.21x = 26,318,919.91
  5. Step 5: Solve for x
    x = 26,318,919.91/5,163.21
  6. Step 6: Final answer
    x = 5,097.39

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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.