Home / 7,655.46-11,481.56-2,725.38

Finding the Fourth Proportional to 7,655.46, 11,481.56 and 2,725.38

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Solution

The fourth proportional to 7,655.46, 11,481.56 and 2,725.38 is: 4,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.46 : 11,481.56 = 2,725.38 : x
  2. Step 2: Convert to fraction form
    7,655.46/11,481.56 = 2,725.38/x
  3. Step 3: Cross multiply
    7,655.46x = 11,481.56 × 2,725.38
  4. Step 4: Simplify right side
    7,655.46x = 31,291,613.99
  5. Step 5: Solve for x
    x = 31,291,613.99/7,655.46
  6. Step 6: Final answer
    x = 4,087.49

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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.