Home / 5,105.88-7,044.66-3,924.84

Finding the Fourth Proportional to 5,105.88, 7,044.66 and 3,924.84

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Solution

The fourth proportional to 5,105.88, 7,044.66 and 3,924.84 is: 5,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.88 : 7,044.66 = 3,924.84 : x
  2. Step 2: Convert to fraction form
    5,105.88/7,044.66 = 3,924.84/x
  3. Step 3: Cross multiply
    5,105.88x = 7,044.66 × 3,924.84
  4. Step 4: Simplify right side
    5,105.88x = 27,649,163.35
  5. Step 5: Solve for x
    x = 27,649,163.35/5,105.88
  6. Step 6: Final answer
    x = 5,415.16

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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.