Home / 5,379.92-7,424.68-3,022.16

Finding the Fourth Proportional to 5,379.92, 7,424.68 and 3,022.16

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Solution

The fourth proportional to 5,379.92, 7,424.68 and 3,022.16 is: 4,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.92 : 7,424.68 = 3,022.16 : x
  2. Step 2: Convert to fraction form
    5,379.92/7,424.68 = 3,022.16/x
  3. Step 3: Cross multiply
    5,379.92x = 7,424.68 × 3,022.16
  4. Step 4: Simplify right side
    5,379.92x = 22,438,570.91
  5. Step 5: Solve for x
    x = 22,438,570.91/5,379.92
  6. Step 6: Final answer
    x = 4,170.80

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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.