Home / 6,540.96-9,797.90-3,199.15

Finding the Fourth Proportional to 6,540.96, 9,797.90 and 3,199.15

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Solution

The fourth proportional to 6,540.96, 9,797.90 and 3,199.15 is: 4,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.96 : 9,797.90 = 3,199.15 : x
  2. Step 2: Convert to fraction form
    6,540.96/9,797.90 = 3,199.15/x
  3. Step 3: Cross multiply
    6,540.96x = 9,797.90 × 3,199.15
  4. Step 4: Simplify right side
    6,540.96x = 31,344,911.29
  5. Step 5: Solve for x
    x = 31,344,911.29/6,540.96
  6. Step 6: Final answer
    x = 4,792.10

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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.