Home / 3,919.48-5,408.44-2,325.56

Finding the Fourth Proportional to 3,919.48, 5,408.44 and 2,325.56

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Solution

The fourth proportional to 3,919.48, 5,408.44 and 2,325.56 is: 3,209.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.48 : 5,408.44 = 2,325.56 : x
  2. Step 2: Convert to fraction form
    3,919.48/5,408.44 = 2,325.56/x
  3. Step 3: Cross multiply
    3,919.48x = 5,408.44 × 2,325.56
  4. Step 4: Simplify right side
    3,919.48x = 12,577,618.87
  5. Step 5: Solve for x
    x = 12,577,618.87/3,919.48
  6. Step 6: Final answer
    x = 3,209.00

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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.