Home / 5,144.88-7,099.56-2,906.64

Finding the Fourth Proportional to 5,144.88, 7,099.56 and 2,906.64

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Solution

The fourth proportional to 5,144.88, 7,099.56 and 2,906.64 is: 4,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.88 : 7,099.56 = 2,906.64 : x
  2. Step 2: Convert to fraction form
    5,144.88/7,099.56 = 2,906.64/x
  3. Step 3: Cross multiply
    5,144.88x = 7,099.56 × 2,906.64
  4. Step 4: Simplify right side
    5,144.88x = 20,635,865.08
  5. Step 5: Solve for x
    x = 20,635,865.08/5,144.88
  6. Step 6: Final answer
    x = 4,010.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.