Home / 7,379.75-10,183.92-4,022.59

Finding the Fourth Proportional to 7,379.75, 10,183.92 and 4,022.59

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Solution

The fourth proportional to 7,379.75, 10,183.92 and 4,022.59 is: 5,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.75 : 10,183.92 = 4,022.59 : x
  2. Step 2: Convert to fraction form
    7,379.75/10,183.92 = 4,022.59/x
  3. Step 3: Cross multiply
    7,379.75x = 10,183.92 × 4,022.59
  4. Step 4: Simplify right side
    7,379.75x = 40,965,734.75
  5. Step 5: Solve for x
    x = 40,965,734.75/7,379.75
  6. Step 6: Final answer
    x = 5,551.10

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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.