Home / 2,351.94-3,245.74-1,357.06

Finding the Fourth Proportional to 2,351.94, 3,245.74 and 1,357.06

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Solution

The fourth proportional to 2,351.94, 3,245.74 and 1,357.06 is: 1,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.94 : 3,245.74 = 1,357.06 : x
  2. Step 2: Convert to fraction form
    2,351.94/3,245.74 = 1,357.06/x
  3. Step 3: Cross multiply
    2,351.94x = 3,245.74 × 1,357.06
  4. Step 4: Simplify right side
    2,351.94x = 4,404,663.92
  5. Step 5: Solve for x
    x = 4,404,663.92/2,351.94
  6. Step 6: Final answer
    x = 1,872.78

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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.