Home / 1,933.11-2,678.91-1,896.18

Finding the Fourth Proportional to 1,933.11, 2,678.91 and 1,896.18

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Solution

The fourth proportional to 1,933.11, 2,678.91 and 1,896.18 is: 2,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.11 : 2,678.91 = 1,896.18 : x
  2. Step 2: Convert to fraction form
    1,933.11/2,678.91 = 1,896.18/x
  3. Step 3: Cross multiply
    1,933.11x = 2,678.91 × 1,896.18
  4. Step 4: Simplify right side
    1,933.11x = 5,079,695.56
  5. Step 5: Solve for x
    x = 5,079,695.56/1,933.11
  6. Step 6: Final answer
    x = 2,627.73

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1.5x scale

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.