Home / 3,122.63-4,309.24-1,796.41

Finding the Fourth Proportional to 3,122.63, 4,309.24 and 1,796.41

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Solution

The fourth proportional to 3,122.63, 4,309.24 and 1,796.41 is: 2,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.63 : 4,309.24 = 1,796.41 : x
  2. Step 2: Convert to fraction form
    3,122.63/4,309.24 = 1,796.41/x
  3. Step 3: Cross multiply
    3,122.63x = 4,309.24 × 1,796.41
  4. Step 4: Simplify right side
    3,122.63x = 7,741,161.83
  5. Step 5: Solve for x
    x = 7,741,161.83/3,122.63
  6. Step 6: Final answer
    x = 2,479.06

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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.