Home / 5,213.25-7,194.29-2,855.41

Finding the Fourth Proportional to 5,213.25, 7,194.29 and 2,855.41

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Solution

The fourth proportional to 5,213.25, 7,194.29 and 2,855.41 is: 3,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.25 : 7,194.29 = 2,855.41 : x
  2. Step 2: Convert to fraction form
    5,213.25/7,194.29 = 2,855.41/x
  3. Step 3: Cross multiply
    5,213.25x = 7,194.29 × 2,855.41
  4. Step 4: Simplify right side
    5,213.25x = 20,542,615.35
  5. Step 5: Solve for x
    x = 20,542,615.35/5,213.25
  6. Step 6: Final answer
    x = 3,940.46

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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.