Home / 5,213.44-7,194.48-2,855.58

Finding the Fourth Proportional to 5,213.44, 7,194.48 and 2,855.58

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Solution

The fourth proportional to 5,213.44, 7,194.48 and 2,855.58 is: 3,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.44 : 7,194.48 = 2,855.58 : x
  2. Step 2: Convert to fraction form
    5,213.44/7,194.48 = 2,855.58/x
  3. Step 3: Cross multiply
    5,213.44x = 7,194.48 × 2,855.58
  4. Step 4: Simplify right side
    5,213.44x = 20,544,413.20
  5. Step 5: Solve for x
    x = 20,544,413.20/5,213.44
  6. Step 6: Final answer
    x = 3,940.66

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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.