Home / 1,942.43-2,684.36-1,726.43

Finding the Fourth Proportional to 1,942.43, 2,684.36 and 1,726.43

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Solution

The fourth proportional to 1,942.43, 2,684.36 and 1,726.43 is: 2,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.43 : 2,684.36 = 1,726.43 : x
  2. Step 2: Convert to fraction form
    1,942.43/2,684.36 = 1,726.43/x
  3. Step 3: Cross multiply
    1,942.43x = 2,684.36 × 1,726.43
  4. Step 4: Simplify right side
    1,942.43x = 4,634,351.00
  5. Step 5: Solve for x
    x = 4,634,351.00/1,942.43
  6. Step 6: Final answer
    x = 2,385.85

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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.