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Finding the Fourth Proportional to 5,241.99, 7,233.81 and 2,851.86

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Solution

The fourth proportional to 5,241.99, 7,233.81 and 2,851.86 is: 3,935.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.99 : 7,233.81 = 2,851.86 : x
  2. Step 2: Convert to fraction form
    5,241.99/7,233.81 = 2,851.86/x
  3. Step 3: Cross multiply
    5,241.99x = 7,233.81 × 2,851.86
  4. Step 4: Simplify right side
    5,241.99x = 20,629,813.39
  5. Step 5: Solve for x
    x = 20,629,813.39/5,241.99
  6. Step 6: Final answer
    x = 3,935.49

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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.