Home / 2,791.82-3,853.44-1,673.48

Finding the Fourth Proportional to 2,791.82, 3,853.44 and 1,673.48

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Solution

The fourth proportional to 2,791.82, 3,853.44 and 1,673.48 is: 2,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.82 : 3,853.44 = 1,673.48 : x
  2. Step 2: Convert to fraction form
    2,791.82/3,853.44 = 1,673.48/x
  3. Step 3: Cross multiply
    2,791.82x = 3,853.44 × 1,673.48
  4. Step 4: Simplify right side
    2,791.82x = 6,448,654.77
  5. Step 5: Solve for x
    x = 6,448,654.77/2,791.82
  6. Step 6: Final answer
    x = 2,309.84

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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.