Home / 4,086.11-6,128.51-1,163.73

Finding the Fourth Proportional to 4,086.11, 6,128.51 and 1,163.73

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Solution

The fourth proportional to 4,086.11, 6,128.51 and 1,163.73 is: 1,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.11 : 6,128.51 = 1,163.73 : x
  2. Step 2: Convert to fraction form
    4,086.11/6,128.51 = 1,163.73/x
  3. Step 3: Cross multiply
    4,086.11x = 6,128.51 × 1,163.73
  4. Step 4: Simplify right side
    4,086.11x = 7,131,930.94
  5. Step 5: Solve for x
    x = 7,131,930.94/4,086.11
  6. Step 6: Final answer
    x = 1,745.41

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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.