Home / 4,791.48-6,613.62-3,112.92

Finding the Fourth Proportional to 4,791.48, 6,613.62 and 3,112.92

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Solution

The fourth proportional to 4,791.48, 6,613.62 and 3,112.92 is: 4,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.48 : 6,613.62 = 3,112.92 : x
  2. Step 2: Convert to fraction form
    4,791.48/6,613.62 = 3,112.92/x
  3. Step 3: Cross multiply
    4,791.48x = 6,613.62 × 3,112.92
  4. Step 4: Simplify right side
    4,791.48x = 20,587,669.97
  5. Step 5: Solve for x
    x = 20,587,669.97/4,791.48
  6. Step 6: Final answer
    x = 4,296.72

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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.