Home / 5,213.17-7,194.35-2,855.33

Finding the Fourth Proportional to 5,213.17, 7,194.35 and 2,855.33

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Solution

The fourth proportional to 5,213.17, 7,194.35 and 2,855.33 is: 3,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.17 : 7,194.35 = 2,855.33 : x
  2. Step 2: Convert to fraction form
    5,213.17/7,194.35 = 2,855.33/x
  3. Step 3: Cross multiply
    5,213.17x = 7,194.35 × 2,855.33
  4. Step 4: Simplify right side
    5,213.17x = 20,542,243.39
  5. Step 5: Solve for x
    x = 20,542,243.39/5,213.17
  6. Step 6: Final answer
    x = 3,940.45

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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.