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Finding the Fourth Proportional to 3,864.98, 5,794.36 and 3,557.41

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Solution

The fourth proportional to 3,864.98, 5,794.36 and 3,557.41 is: 5,333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.98 : 5,794.36 = 3,557.41 : x
  2. Step 2: Convert to fraction form
    3,864.98/5,794.36 = 3,557.41/x
  3. Step 3: Cross multiply
    3,864.98x = 5,794.36 × 3,557.41
  4. Step 4: Simplify right side
    3,864.98x = 20,612,914.21
  5. Step 5: Solve for x
    x = 20,612,914.21/3,864.98
  6. Step 6: Final answer
    x = 5,333.25

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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.