Home / 5,249.11-7,884.60-4,428.99

Finding the Fourth Proportional to 5,249.11, 7,884.60 and 4,428.99

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Solution

The fourth proportional to 5,249.11, 7,884.60 and 4,428.99 is: 6,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.11 : 7,884.60 = 4,428.99 : x
  2. Step 2: Convert to fraction form
    5,249.11/7,884.60 = 4,428.99/x
  3. Step 3: Cross multiply
    5,249.11x = 7,884.60 × 4,428.99
  4. Step 4: Simplify right side
    5,249.11x = 34,920,814.55
  5. Step 5: Solve for x
    x = 34,920,814.55/5,249.11
  6. Step 6: Final answer
    x = 6,652.71

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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.