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Finding the Fourth Proportional to 3,601.64, 5,400.30 and 1,958.96

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Solution

The fourth proportional to 3,601.64, 5,400.30 and 1,958.96 is: 2,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.64 : 5,400.30 = 1,958.96 : x
  2. Step 2: Convert to fraction form
    3,601.64/5,400.30 = 1,958.96/x
  3. Step 3: Cross multiply
    3,601.64x = 5,400.30 × 1,958.96
  4. Step 4: Simplify right side
    3,601.64x = 10,578,971.69
  5. Step 5: Solve for x
    x = 10,578,971.69/3,601.64
  6. Step 6: Final answer
    x = 2,937.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.