Home / 5,194.20-7,788.12-2,074.68

Finding the Fourth Proportional to 5,194.20, 7,788.12 and 2,074.68

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Solution

The fourth proportional to 5,194.20, 7,788.12 and 2,074.68 is: 3,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.20 : 7,788.12 = 2,074.68 : x
  2. Step 2: Convert to fraction form
    5,194.20/7,788.12 = 2,074.68/x
  3. Step 3: Cross multiply
    5,194.20x = 7,788.12 × 2,074.68
  4. Step 4: Simplify right side
    5,194.20x = 16,157,856.80
  5. Step 5: Solve for x
    x = 16,157,856.80/5,194.20
  6. Step 6: Final answer
    x = 3,110.75

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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.