Home / 5,408.91-8,126.33-3,464.91

Finding the Fourth Proportional to 5,408.91, 8,126.33 and 3,464.91

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Solution

The fourth proportional to 5,408.91, 8,126.33 and 3,464.91 is: 5,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.91 : 8,126.33 = 3,464.91 : x
  2. Step 2: Convert to fraction form
    5,408.91/8,126.33 = 3,464.91/x
  3. Step 3: Cross multiply
    5,408.91x = 8,126.33 × 3,464.91
  4. Step 4: Simplify right side
    5,408.91x = 28,156,984.76
  5. Step 5: Solve for x
    x = 28,156,984.76/5,408.91
  6. Step 6: Final answer
    x = 5,205.67

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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.