Home / 2,192.59-3,286.38-1,928.52

Finding the Fourth Proportional to 2,192.59, 3,286.38 and 1,928.52

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Solution

The fourth proportional to 2,192.59, 3,286.38 and 1,928.52 is: 2,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.59 : 3,286.38 = 1,928.52 : x
  2. Step 2: Convert to fraction form
    2,192.59/3,286.38 = 1,928.52/x
  3. Step 3: Cross multiply
    2,192.59x = 3,286.38 × 1,928.52
  4. Step 4: Simplify right side
    2,192.59x = 6,337,849.56
  5. Step 5: Solve for x
    x = 6,337,849.56/2,192.59
  6. Step 6: Final answer
    x = 2,890.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.