Home / 5,408.92-8,114.21-2,288.94

Finding the Fourth Proportional to 5,408.92, 8,114.21 and 2,288.94

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Solution

The fourth proportional to 5,408.92, 8,114.21 and 2,288.94 is: 3,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.92 : 8,114.21 = 2,288.94 : x
  2. Step 2: Convert to fraction form
    5,408.92/8,114.21 = 2,288.94/x
  3. Step 3: Cross multiply
    5,408.92x = 8,114.21 × 2,288.94
  4. Step 4: Simplify right side
    5,408.92x = 18,572,939.84
  5. Step 5: Solve for x
    x = 18,572,939.84/5,408.92
  6. Step 6: Final answer
    x = 3,433.76

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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.