Home / 2,169.26-2,993.59-1,174.54

Finding the Fourth Proportional to 2,169.26, 2,993.59 and 1,174.54

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Solution

The fourth proportional to 2,169.26, 2,993.59 and 1,174.54 is: 1,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.26 : 2,993.59 = 1,174.54 : x
  2. Step 2: Convert to fraction form
    2,169.26/2,993.59 = 1,174.54/x
  3. Step 3: Cross multiply
    2,169.26x = 2,993.59 × 1,174.54
  4. Step 4: Simplify right side
    2,169.26x = 3,516,091.20
  5. Step 5: Solve for x
    x = 3,516,091.20/2,169.26
  6. Step 6: Final answer
    x = 1,620.87

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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.