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Finding the Fourth Proportional to 3,469.84, 5,205.57 and 1,004.70

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Solution

The fourth proportional to 3,469.84, 5,205.57 and 1,004.70 is: 1,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.84 : 5,205.57 = 1,004.70 : x
  2. Step 2: Convert to fraction form
    3,469.84/5,205.57 = 1,004.70/x
  3. Step 3: Cross multiply
    3,469.84x = 5,205.57 × 1,004.70
  4. Step 4: Simplify right side
    3,469.84x = 5,230,051.93
  5. Step 5: Solve for x
    x = 5,230,051.93/3,469.84
  6. Step 6: Final answer
    x = 1,507.29

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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.