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Finding the Fourth Proportional to 3,665.94, 5,058.21 and 2,321.94

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Solution

The fourth proportional to 3,665.94, 5,058.21 and 2,321.94 is: 3,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.94 : 5,058.21 = 2,321.94 : x
  2. Step 2: Convert to fraction form
    3,665.94/5,058.21 = 2,321.94/x
  3. Step 3: Cross multiply
    3,665.94x = 5,058.21 × 2,321.94
  4. Step 4: Simplify right side
    3,665.94x = 11,744,860.13
  5. Step 5: Solve for x
    x = 11,744,860.13/3,665.94
  6. Step 6: Final answer
    x = 3,203.78

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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.