Home / 5,213.52-7,194.36-2,855.22

Finding the Fourth Proportional to 5,213.52, 7,194.36 and 2,855.22

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Solution

The fourth proportional to 5,213.52, 7,194.36 and 2,855.22 is: 3,940.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.52 : 7,194.36 = 2,855.22 : x
  2. Step 2: Convert to fraction form
    5,213.52/7,194.36 = 2,855.22/x
  3. Step 3: Cross multiply
    5,213.52x = 7,194.36 × 2,855.22
  4. Step 4: Simplify right side
    5,213.52x = 20,541,480.56
  5. Step 5: Solve for x
    x = 20,541,480.56/5,213.52
  6. Step 6: Final answer
    x = 3,940.04

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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.