Home / 2,726.45-3,757.25-1,840.71

Finding the Fourth Proportional to 2,726.45, 3,757.25 and 1,840.71

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Solution

The fourth proportional to 2,726.45, 3,757.25 and 1,840.71 is: 2,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.45 : 3,757.25 = 1,840.71 : x
  2. Step 2: Convert to fraction form
    2,726.45/3,757.25 = 1,840.71/x
  3. Step 3: Cross multiply
    2,726.45x = 3,757.25 × 1,840.71
  4. Step 4: Simplify right side
    2,726.45x = 6,916,007.65
  5. Step 5: Solve for x
    x = 6,916,007.65/2,726.45
  6. Step 6: Final answer
    x = 2,536.63

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1.5x scale

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.