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Finding the Fourth Proportional to 5,815.98, 8,025.97 and 3,163.33

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Solution

The fourth proportional to 5,815.98, 8,025.97 and 3,163.33 is: 4,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.98 : 8,025.97 = 3,163.33 : x
  2. Step 2: Convert to fraction form
    5,815.98/8,025.97 = 3,163.33/x
  3. Step 3: Cross multiply
    5,815.98x = 8,025.97 × 3,163.33
  4. Step 4: Simplify right side
    5,815.98x = 25,388,791.68
  5. Step 5: Solve for x
    x = 25,388,791.68/5,815.98
  6. Step 6: Final answer
    x = 4,365.35

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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.