Home / 7,753.56-11,629.31-2,207.40

Finding the Fourth Proportional to 7,753.56, 11,629.31 and 2,207.40

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Solution

The fourth proportional to 7,753.56, 11,629.31 and 2,207.40 is: 3,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.56 : 11,629.31 = 2,207.40 : x
  2. Step 2: Convert to fraction form
    7,753.56/11,629.31 = 2,207.40/x
  3. Step 3: Cross multiply
    7,753.56x = 11,629.31 × 2,207.40
  4. Step 4: Simplify right side
    7,753.56x = 25,670,527.86
  5. Step 5: Solve for x
    x = 25,670,527.86/7,753.56
  6. Step 6: Final answer
    x = 3,310.81

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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.