Home / 3,408.04-5,112.60-2,022.40

Finding the Fourth Proportional to 3,408.04, 5,112.60 and 2,022.40

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Solution

The fourth proportional to 3,408.04, 5,112.60 and 2,022.40 is: 3,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.04 : 5,112.60 = 2,022.40 : x
  2. Step 2: Convert to fraction form
    3,408.04/5,112.60 = 2,022.40/x
  3. Step 3: Cross multiply
    3,408.04x = 5,112.60 × 2,022.40
  4. Step 4: Simplify right side
    3,408.04x = 10,339,722.24
  5. Step 5: Solve for x
    x = 10,339,722.24/3,408.04
  6. Step 6: Final answer
    x = 3,033.92

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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.