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Finding the Fourth Proportional to 3,760.89, 5,190.02 and 2,104.89

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Solution

The fourth proportional to 3,760.89, 5,190.02 and 2,104.89 is: 2,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.89 : 5,190.02 = 2,104.89 : x
  2. Step 2: Convert to fraction form
    3,760.89/5,190.02 = 2,104.89/x
  3. Step 3: Cross multiply
    3,760.89x = 5,190.02 × 2,104.89
  4. Step 4: Simplify right side
    3,760.89x = 10,924,410.67
  5. Step 5: Solve for x
    x = 10,924,410.67/3,760.89
  6. Step 6: Final answer
    x = 2,904.74

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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.