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Finding the Fourth Proportional to 3,651.54, 5,473.38 and 1,894.79

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Solution

The fourth proportional to 3,651.54, 5,473.38 and 1,894.79 is: 2,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.54 : 5,473.38 = 1,894.79 : x
  2. Step 2: Convert to fraction form
    3,651.54/5,473.38 = 1,894.79/x
  3. Step 3: Cross multiply
    3,651.54x = 5,473.38 × 1,894.79
  4. Step 4: Simplify right side
    3,651.54x = 10,370,905.69
  5. Step 5: Solve for x
    x = 10,370,905.69/3,651.54
  6. Step 6: Final answer
    x = 2,840.15

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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.