Home / 5,780.26-8,674.48-2,663.78

Finding the Fourth Proportional to 5,780.26, 8,674.48 and 2,663.78

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Solution

The fourth proportional to 5,780.26, 8,674.48 and 2,663.78 is: 3,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.26 : 8,674.48 = 2,663.78 : x
  2. Step 2: Convert to fraction form
    5,780.26/8,674.48 = 2,663.78/x
  3. Step 3: Cross multiply
    5,780.26x = 8,674.48 × 2,663.78
  4. Step 4: Simplify right side
    5,780.26x = 23,106,906.33
  5. Step 5: Solve for x
    x = 23,106,906.33/5,780.26
  6. Step 6: Final answer
    x = 3,997.55

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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.