Home / 5,778.87-8,668.76-2,081.48

Finding the Fourth Proportional to 5,778.87, 8,668.76 and 2,081.48

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Solution

The fourth proportional to 5,778.87, 8,668.76 and 2,081.48 is: 3,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.87 : 8,668.76 = 2,081.48 : x
  2. Step 2: Convert to fraction form
    5,778.87/8,668.76 = 2,081.48/x
  3. Step 3: Cross multiply
    5,778.87x = 8,668.76 × 2,081.48
  4. Step 4: Simplify right side
    5,778.87x = 18,043,850.56
  5. Step 5: Solve for x
    x = 18,043,850.56/5,778.87
  6. Step 6: Final answer
    x = 3,122.38

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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.