Home / 3,755.31-5,181.62-2,357.43

Finding the Fourth Proportional to 3,755.31, 5,181.62 and 2,357.43

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Solution

The fourth proportional to 3,755.31, 5,181.62 and 2,357.43 is: 3,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.31 : 5,181.62 = 2,357.43 : x
  2. Step 2: Convert to fraction form
    3,755.31/5,181.62 = 2,357.43/x
  3. Step 3: Cross multiply
    3,755.31x = 5,181.62 × 2,357.43
  4. Step 4: Simplify right side
    3,755.31x = 12,215,294.65
  5. Step 5: Solve for x
    x = 12,215,294.65/3,755.31
  6. Step 6: Final answer
    x = 3,252.81

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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.