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Finding the Fourth Proportional to 3,804.96, 5,249.16 and 3,133.20

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Solution

The fourth proportional to 3,804.96, 5,249.16 and 3,133.20 is: 4,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.96 : 5,249.16 = 3,133.20 : x
  2. Step 2: Convert to fraction form
    3,804.96/5,249.16 = 3,133.20/x
  3. Step 3: Cross multiply
    3,804.96x = 5,249.16 × 3,133.20
  4. Step 4: Simplify right side
    3,804.96x = 16,446,668.11
  5. Step 5: Solve for x
    x = 16,446,668.11/3,804.96
  6. Step 6: Final answer
    x = 4,322.43

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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.