Home / 5,540.37-8,311.92-1,644.77

Finding the Fourth Proportional to 5,540.37, 8,311.92 and 1,644.77

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Solution

The fourth proportional to 5,540.37, 8,311.92 and 1,644.77 is: 2,467.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.37 : 8,311.92 = 1,644.77 : x
  2. Step 2: Convert to fraction form
    5,540.37/8,311.92 = 1,644.77/x
  3. Step 3: Cross multiply
    5,540.37x = 8,311.92 × 1,644.77
  4. Step 4: Simplify right side
    5,540.37x = 13,671,188.43
  5. Step 5: Solve for x
    x = 13,671,188.43/5,540.37
  6. Step 6: Final answer
    x = 2,467.56

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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.