Home / 2,700.45-3,726.38-1,505.41

Finding the Fourth Proportional to 2,700.45, 3,726.38 and 1,505.41

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Solution

The fourth proportional to 2,700.45, 3,726.38 and 1,505.41 is: 2,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.45 : 3,726.38 = 1,505.41 : x
  2. Step 2: Convert to fraction form
    2,700.45/3,726.38 = 1,505.41/x
  3. Step 3: Cross multiply
    2,700.45x = 3,726.38 × 1,505.41
  4. Step 4: Simplify right side
    2,700.45x = 5,609,724.16
  5. Step 5: Solve for x
    x = 5,609,724.16/2,700.45
  6. Step 6: Final answer
    x = 2,077.33

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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.