Home / 5,453.75-8,183.57-2,166.87

Finding the Fourth Proportional to 5,453.75, 8,183.57 and 2,166.87

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Solution

The fourth proportional to 5,453.75, 8,183.57 and 2,166.87 is: 3,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.75 : 8,183.57 = 2,166.87 : x
  2. Step 2: Convert to fraction form
    5,453.75/8,183.57 = 2,166.87/x
  3. Step 3: Cross multiply
    5,453.75x = 8,183.57 × 2,166.87
  4. Step 4: Simplify right side
    5,453.75x = 17,732,752.18
  5. Step 5: Solve for x
    x = 17,732,752.18/5,453.75
  6. Step 6: Final answer
    x = 3,251.48

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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.