Home / 1,940.05-2,674.16-1,486.85

Finding the Fourth Proportional to 1,940.05, 2,674.16 and 1,486.85

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Solution

The fourth proportional to 1,940.05, 2,674.16 and 1,486.85 is: 2,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.05 : 2,674.16 = 1,486.85 : x
  2. Step 2: Convert to fraction form
    1,940.05/2,674.16 = 1,486.85/x
  3. Step 3: Cross multiply
    1,940.05x = 2,674.16 × 1,486.85
  4. Step 4: Simplify right side
    1,940.05x = 3,976,067.36
  5. Step 5: Solve for x
    x = 3,976,067.36/1,940.05
  6. Step 6: Final answer
    x = 2,049.47

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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.