Home / 4,163.28-5,745.32-2,274.87

Finding the Fourth Proportional to 4,163.28, 5,745.32 and 2,274.87

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Solution

The fourth proportional to 4,163.28, 5,745.32 and 2,274.87 is: 3,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.28 : 5,745.32 = 2,274.87 : x
  2. Step 2: Convert to fraction form
    4,163.28/5,745.32 = 2,274.87/x
  3. Step 3: Cross multiply
    4,163.28x = 5,745.32 × 2,274.87
  4. Step 4: Simplify right side
    4,163.28x = 13,069,844.73
  5. Step 5: Solve for x
    x = 13,069,844.73/4,163.28
  6. Step 6: Final answer
    x = 3,139.31

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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.