Home / 1,993.28-2,738.34-1,786.19

Finding the Fourth Proportional to 1,993.28, 2,738.34 and 1,786.19

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Solution

The fourth proportional to 1,993.28, 2,738.34 and 1,786.19 is: 2,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.28 : 2,738.34 = 1,786.19 : x
  2. Step 2: Convert to fraction form
    1,993.28/2,738.34 = 1,786.19/x
  3. Step 3: Cross multiply
    1,993.28x = 2,738.34 × 1,786.19
  4. Step 4: Simplify right side
    1,993.28x = 4,891,181.83
  5. Step 5: Solve for x
    x = 4,891,181.83/1,993.28
  6. Step 6: Final answer
    x = 2,453.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.