Home / 5,466.24-8,187.52-3,386.78

Finding the Fourth Proportional to 5,466.24, 8,187.52 and 3,386.78

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Solution

The fourth proportional to 5,466.24, 8,187.52 and 3,386.78 is: 5,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466.24 : 8,187.52 = 3,386.78 : x
  2. Step 2: Convert to fraction form
    5,466.24/8,187.52 = 3,386.78/x
  3. Step 3: Cross multiply
    5,466.24x = 8,187.52 × 3,386.78
  4. Step 4: Simplify right side
    5,466.24x = 27,729,328.99
  5. Step 5: Solve for x
    x = 27,729,328.99/5,466.24
  6. Step 6: Final answer
    x = 5,072.83

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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.