Home / 5,617.39-8,419.24-3,974.41

Finding the Fourth Proportional to 5,617.39, 8,419.24 and 3,974.41

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Solution

The fourth proportional to 5,617.39, 8,419.24 and 3,974.41 is: 5,956.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.39 : 8,419.24 = 3,974.41 : x
  2. Step 2: Convert to fraction form
    5,617.39/8,419.24 = 3,974.41/x
  3. Step 3: Cross multiply
    5,617.39x = 8,419.24 × 3,974.41
  4. Step 4: Simplify right side
    5,617.39x = 33,461,511.65
  5. Step 5: Solve for x
    x = 33,461,511.65/5,617.39
  6. Step 6: Final answer
    x = 5,956.77

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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.