Home / 4,163.85-5,745.94-2,275.50

Finding the Fourth Proportional to 4,163.85, 5,745.94 and 2,275.50

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Solution

The fourth proportional to 4,163.85, 5,745.94 and 2,275.50 is: 3,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.85 : 5,745.94 = 2,275.50 : x
  2. Step 2: Convert to fraction form
    4,163.85/5,745.94 = 2,275.50/x
  3. Step 3: Cross multiply
    4,163.85x = 5,745.94 × 2,275.50
  4. Step 4: Simplify right side
    4,163.85x = 13,074,846.36
  5. Step 5: Solve for x
    x = 13,074,846.36/4,163.85
  6. Step 6: Final answer
    x = 3,140.09

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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.