Home / 5,265.85-7,896.58-2,143.73

Finding the Fourth Proportional to 5,265.85, 7,896.58 and 2,143.73

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Solution

The fourth proportional to 5,265.85, 7,896.58 and 2,143.73 is: 3,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.85 : 7,896.58 = 2,143.73 : x
  2. Step 2: Convert to fraction form
    5,265.85/7,896.58 = 2,143.73/x
  3. Step 3: Cross multiply
    5,265.85x = 7,896.58 × 2,143.73
  4. Step 4: Simplify right side
    5,265.85x = 16,928,170.25
  5. Step 5: Solve for x
    x = 16,928,170.25/5,265.85
  6. Step 6: Final answer
    x = 3,214.71

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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.