Home / 7,540.60-11,313.98-2,613.71

Finding the Fourth Proportional to 7,540.60, 11,313.98 and 2,613.71

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Solution

The fourth proportional to 7,540.60, 11,313.98 and 2,613.71 is: 3,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.60 : 11,313.98 = 2,613.71 : x
  2. Step 2: Convert to fraction form
    7,540.60/11,313.98 = 2,613.71/x
  3. Step 3: Cross multiply
    7,540.60x = 11,313.98 × 2,613.71
  4. Step 4: Simplify right side
    7,540.60x = 29,571,462.67
  5. Step 5: Solve for x
    x = 29,571,462.67/7,540.60
  6. Step 6: Final answer
    x = 3,921.63

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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.