Home / 5,498.19-8,251.38-3,421.22

Finding the Fourth Proportional to 5,498.19, 8,251.38 and 3,421.22

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Solution

The fourth proportional to 5,498.19, 8,251.38 and 3,421.22 is: 5,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.19 : 8,251.38 = 3,421.22 : x
  2. Step 2: Convert to fraction form
    5,498.19/8,251.38 = 3,421.22/x
  3. Step 3: Cross multiply
    5,498.19x = 8,251.38 × 3,421.22
  4. Step 4: Simplify right side
    5,498.19x = 28,229,745.03
  5. Step 5: Solve for x
    x = 28,229,745.03/5,498.19
  6. Step 6: Final answer
    x = 5,134.37

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1.5x scale

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.