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Finding the Fourth Proportional to 3,783.69, 5,675.22 and 2,392.98

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Solution

The fourth proportional to 3,783.69, 5,675.22 and 2,392.98 is: 3,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.69 : 5,675.22 = 2,392.98 : x
  2. Step 2: Convert to fraction form
    3,783.69/5,675.22 = 2,392.98/x
  3. Step 3: Cross multiply
    3,783.69x = 5,675.22 × 2,392.98
  4. Step 4: Simplify right side
    3,783.69x = 13,580,687.96
  5. Step 5: Solve for x
    x = 13,580,687.96/3,783.69
  6. Step 6: Final answer
    x = 3,589.27

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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.