Home / 5,540.21-8,310.30-2,030.48

Finding the Fourth Proportional to 5,540.21, 8,310.30 and 2,030.48

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Solution

The fourth proportional to 5,540.21, 8,310.30 and 2,030.48 is: 3,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.21 : 8,310.30 = 2,030.48 : x
  2. Step 2: Convert to fraction form
    5,540.21/8,310.30 = 2,030.48/x
  3. Step 3: Cross multiply
    5,540.21x = 8,310.30 × 2,030.48
  4. Step 4: Simplify right side
    5,540.21x = 16,873,897.94
  5. Step 5: Solve for x
    x = 16,873,897.94/5,540.21
  6. Step 6: Final answer
    x = 3,045.71

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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.