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Finding the Fourth Proportional to 3,901.26, 5,852.07 and 979.59

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Solution

The fourth proportional to 3,901.26, 5,852.07 and 979.59 is: 1,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.26 : 5,852.07 = 979.59 : x
  2. Step 2: Convert to fraction form
    3,901.26/5,852.07 = 979.59/x
  3. Step 3: Cross multiply
    3,901.26x = 5,852.07 × 979.59
  4. Step 4: Simplify right side
    3,901.26x = 5,732,629.25
  5. Step 5: Solve for x
    x = 5,732,629.25/3,901.26
  6. Step 6: Final answer
    x = 1,469.43

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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.