Home / 2,177.26-3,002.36-1,863.54

Finding the Fourth Proportional to 2,177.26, 3,002.36 and 1,863.54

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Solution

The fourth proportional to 2,177.26, 3,002.36 and 1,863.54 is: 2,569.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.26 : 3,002.36 = 1,863.54 : x
  2. Step 2: Convert to fraction form
    2,177.26/3,002.36 = 1,863.54/x
  3. Step 3: Cross multiply
    2,177.26x = 3,002.36 × 1,863.54
  4. Step 4: Simplify right side
    2,177.26x = 5,595,008.64
  5. Step 5: Solve for x
    x = 5,595,008.64/2,177.26
  6. Step 6: Final answer
    x = 2,569.75

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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.