Home / 5,474.97-8,212.77-3,719.22

Finding the Fourth Proportional to 5,474.97, 8,212.77 and 3,719.22

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Solution

The fourth proportional to 5,474.97, 8,212.77 and 3,719.22 is: 5,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.97 : 8,212.77 = 3,719.22 : x
  2. Step 2: Convert to fraction form
    5,474.97/8,212.77 = 3,719.22/x
  3. Step 3: Cross multiply
    5,474.97x = 8,212.77 × 3,719.22
  4. Step 4: Simplify right side
    5,474.97x = 30,545,098.44
  5. Step 5: Solve for x
    x = 30,545,098.44/5,474.97
  6. Step 6: Final answer
    x = 5,579.04

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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.