Home / 2,161.11-3,235.38-1,608.27

Finding the Fourth Proportional to 2,161.11, 3,235.38 and 1,608.27

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Solution

The fourth proportional to 2,161.11, 3,235.38 and 1,608.27 is: 2,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.11 : 3,235.38 = 1,608.27 : x
  2. Step 2: Convert to fraction form
    2,161.11/3,235.38 = 1,608.27/x
  3. Step 3: Cross multiply
    2,161.11x = 3,235.38 × 1,608.27
  4. Step 4: Simplify right side
    2,161.11x = 5,203,364.59
  5. Step 5: Solve for x
    x = 5,203,364.59/2,161.11
  6. Step 6: Final answer
    x = 2,407.73

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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.