Home / 2,408.12-3,611.42-1,253.24

Finding the Fourth Proportional to 2,408.12, 3,611.42 and 1,253.24

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Solution

The fourth proportional to 2,408.12, 3,611.42 and 1,253.24 is: 1,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.12 : 3,611.42 = 1,253.24 : x
  2. Step 2: Convert to fraction form
    2,408.12/3,611.42 = 1,253.24/x
  3. Step 3: Cross multiply
    2,408.12x = 3,611.42 × 1,253.24
  4. Step 4: Simplify right side
    2,408.12x = 4,525,976.00
  5. Step 5: Solve for x
    x = 4,525,976.00/2,408.12
  6. Step 6: Final answer
    x = 1,879.46

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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.