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Finding the Fourth Proportional to 3,601.84, 5,371.43 and 3,203.64

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Solution

The fourth proportional to 3,601.84, 5,371.43 and 3,203.64 is: 4,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.84 : 5,371.43 = 3,203.64 : x
  2. Step 2: Convert to fraction form
    3,601.84/5,371.43 = 3,203.64/x
  3. Step 3: Cross multiply
    3,601.84x = 5,371.43 × 3,203.64
  4. Step 4: Simplify right side
    3,601.84x = 17,208,128.01
  5. Step 5: Solve for x
    x = 17,208,128.01/3,601.84
  6. Step 6: Final answer
    x = 4,777.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.