Home / 4,171.36-5,755.92-2,308.48

Finding the Fourth Proportional to 4,171.36, 5,755.92 and 2,308.48

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Solution

The fourth proportional to 4,171.36, 5,755.92 and 2,308.48 is: 3,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.36 : 5,755.92 = 2,308.48 : x
  2. Step 2: Convert to fraction form
    4,171.36/5,755.92 = 2,308.48/x
  3. Step 3: Cross multiply
    4,171.36x = 5,755.92 × 2,308.48
  4. Step 4: Simplify right side
    4,171.36x = 13,287,426.20
  5. Step 5: Solve for x
    x = 13,287,426.20/4,171.36
  6. Step 6: Final answer
    x = 3,185.39

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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.