Home / 2,726.78-3,763.54-1,607.30

Finding the Fourth Proportional to 2,726.78, 3,763.54 and 1,607.30

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Solution

The fourth proportional to 2,726.78, 3,763.54 and 1,607.30 is: 2,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.78 : 3,763.54 = 1,607.30 : x
  2. Step 2: Convert to fraction form
    2,726.78/3,763.54 = 1,607.30/x
  3. Step 3: Cross multiply
    2,726.78x = 3,763.54 × 1,607.30
  4. Step 4: Simplify right side
    2,726.78x = 6,049,143.23
  5. Step 5: Solve for x
    x = 6,049,143.23/2,726.78
  6. Step 6: Final answer
    x = 2,218.42

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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.