Home / 2,340.42-3,229.62-1,292.52

Finding the Fourth Proportional to 2,340.42, 3,229.62 and 1,292.52

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Solution

The fourth proportional to 2,340.42, 3,229.62 and 1,292.52 is: 1,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.42 : 3,229.62 = 1,292.52 : x
  2. Step 2: Convert to fraction form
    2,340.42/3,229.62 = 1,292.52/x
  3. Step 3: Cross multiply
    2,340.42x = 3,229.62 × 1,292.52
  4. Step 4: Simplify right side
    2,340.42x = 4,174,348.44
  5. Step 5: Solve for x
    x = 4,174,348.44/2,340.42
  6. Step 6: Final answer
    x = 1,783.59

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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.