Home / 7,735.20-11,604.48-2,540.96

Finding the Fourth Proportional to 7,735.20, 11,604.48 and 2,540.96

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Solution

The fourth proportional to 7,735.20, 11,604.48 and 2,540.96 is: 3,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.20 : 11,604.48 = 2,540.96 : x
  2. Step 2: Convert to fraction form
    7,735.20/11,604.48 = 2,540.96/x
  3. Step 3: Cross multiply
    7,735.20x = 11,604.48 × 2,540.96
  4. Step 4: Simplify right side
    7,735.20x = 29,486,519.50
  5. Step 5: Solve for x
    x = 29,486,519.50/7,735.20
  6. Step 6: Final answer
    x = 3,811.99

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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.