Home / 5,205.17-7,183.24-2,847.37

Finding the Fourth Proportional to 5,205.17, 7,183.24 and 2,847.37

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Solution

The fourth proportional to 5,205.17, 7,183.24 and 2,847.37 is: 3,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.17 : 7,183.24 = 2,847.37 : x
  2. Step 2: Convert to fraction form
    5,205.17/7,183.24 = 2,847.37/x
  3. Step 3: Cross multiply
    5,205.17x = 7,183.24 × 2,847.37
  4. Step 4: Simplify right side
    5,205.17x = 20,453,306.16
  5. Step 5: Solve for x
    x = 20,453,306.16/5,205.17
  6. Step 6: Final answer
    x = 3,929.42

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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.