Home / 1,190.16-1,641.60-1,067.04

Finding the Fourth Proportional to 1,190.16, 1,641.60 and 1,067.04

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Solution

The fourth proportional to 1,190.16, 1,641.60 and 1,067.04 is: 1,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.16 : 1,641.60 = 1,067.04 : x
  2. Step 2: Convert to fraction form
    1,190.16/1,641.60 = 1,067.04/x
  3. Step 3: Cross multiply
    1,190.16x = 1,641.60 × 1,067.04
  4. Step 4: Simplify right side
    1,190.16x = 1,751,652.86
  5. Step 5: Solve for x
    x = 1,751,652.86/1,190.16
  6. Step 6: Final answer
    x = 1,471.78

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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.