Home / 5,606.24-8,408.28-2,142.68

Finding the Fourth Proportional to 5,606.24, 8,408.28 and 2,142.68

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Solution

The fourth proportional to 5,606.24, 8,408.28 and 2,142.68 is: 3,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.24 : 8,408.28 = 2,142.68 : x
  2. Step 2: Convert to fraction form
    5,606.24/8,408.28 = 2,142.68/x
  3. Step 3: Cross multiply
    5,606.24x = 8,408.28 × 2,142.68
  4. Step 4: Simplify right side
    5,606.24x = 18,016,253.39
  5. Step 5: Solve for x
    x = 18,016,253.39/5,606.24
  6. Step 6: Final answer
    x = 3,213.61

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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.