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Finding the Fourth Proportional to 3,906.93, 5,391.93 and 2,334.99

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Solution

The fourth proportional to 3,906.93, 5,391.93 and 2,334.99 is: 3,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.93 : 5,391.93 = 2,334.99 : x
  2. Step 2: Convert to fraction form
    3,906.93/5,391.93 = 2,334.99/x
  3. Step 3: Cross multiply
    3,906.93x = 5,391.93 × 2,334.99
  4. Step 4: Simplify right side
    3,906.93x = 12,590,102.63
  5. Step 5: Solve for x
    x = 12,590,102.63/3,906.93
  6. Step 6: Final answer
    x = 3,222.51

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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.