Home / 7,249.19-10,003.88-4,105.38

Finding the Fourth Proportional to 7,249.19, 10,003.88 and 4,105.38

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Solution

The fourth proportional to 7,249.19, 10,003.88 and 4,105.38 is: 5,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.19 : 10,003.88 = 4,105.38 : x
  2. Step 2: Convert to fraction form
    7,249.19/10,003.88 = 4,105.38/x
  3. Step 3: Cross multiply
    7,249.19x = 10,003.88 × 4,105.38
  4. Step 4: Simplify right side
    7,249.19x = 41,069,728.87
  5. Step 5: Solve for x
    x = 41,069,728.87/7,249.19
  6. Step 6: Final answer
    x = 5,665.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.