Home / 2,186.10-3,278.78-604.44

Finding the Fourth Proportional to 2,186.10, 3,278.78 and 604.44

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Solution

The fourth proportional to 2,186.10, 3,278.78 and 604.44 is: 906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.10 : 3,278.78 = 604.44 : x
  2. Step 2: Convert to fraction form
    2,186.10/3,278.78 = 604.44/x
  3. Step 3: Cross multiply
    2,186.10x = 3,278.78 × 604.44
  4. Step 4: Simplify right side
    2,186.10x = 1,981,825.78
  5. Step 5: Solve for x
    x = 1,981,825.78/2,186.10
  6. Step 6: Final answer
    x = 906.56

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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.