Home / 1,937.25-2,687.72-1,919.03

Finding the Fourth Proportional to 1,937.25, 2,687.72 and 1,919.03

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Solution

The fourth proportional to 1,937.25, 2,687.72 and 1,919.03 is: 2,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.25 : 2,687.72 = 1,919.03 : x
  2. Step 2: Convert to fraction form
    1,937.25/2,687.72 = 1,919.03/x
  3. Step 3: Cross multiply
    1,937.25x = 2,687.72 × 1,919.03
  4. Step 4: Simplify right side
    1,937.25x = 5,157,792.28
  5. Step 5: Solve for x
    x = 5,157,792.28/1,937.25
  6. Step 6: Final answer
    x = 2,662.43

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.