Home / 2,168.86-3,253.62-1,073.26

Finding the Fourth Proportional to 2,168.86, 3,253.62 and 1,073.26

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Solution

The fourth proportional to 2,168.86, 3,253.62 and 1,073.26 is: 1,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.86 : 3,253.62 = 1,073.26 : x
  2. Step 2: Convert to fraction form
    2,168.86/3,253.62 = 1,073.26/x
  3. Step 3: Cross multiply
    2,168.86x = 3,253.62 × 1,073.26
  4. Step 4: Simplify right side
    2,168.86x = 3,491,980.20
  5. Step 5: Solve for x
    x = 3,491,980.20/2,168.86
  6. Step 6: Final answer
    x = 1,610.05

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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.