Home / 6,791.39-10,186.22-2,628.55

Finding the Fourth Proportional to 6,791.39, 10,186.22 and 2,628.55

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Solution

The fourth proportional to 6,791.39, 10,186.22 and 2,628.55 is: 3,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.39 : 10,186.22 = 2,628.55 : x
  2. Step 2: Convert to fraction form
    6,791.39/10,186.22 = 2,628.55/x
  3. Step 3: Cross multiply
    6,791.39x = 10,186.22 × 2,628.55
  4. Step 4: Simplify right side
    6,791.39x = 26,774,975.44
  5. Step 5: Solve for x
    x = 26,774,975.44/6,791.39
  6. Step 6: Final answer
    x = 3,942.49

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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.