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Finding the Fourth Proportional to 3,835.22, 5,751.41 and 3,015.09

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Solution

The fourth proportional to 3,835.22, 5,751.41 and 3,015.09 is: 4,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.22 : 5,751.41 = 3,015.09 : x
  2. Step 2: Convert to fraction form
    3,835.22/5,751.41 = 3,015.09/x
  3. Step 3: Cross multiply
    3,835.22x = 5,751.41 × 3,015.09
  4. Step 4: Simplify right side
    3,835.22x = 17,341,003.70
  5. Step 5: Solve for x
    x = 17,341,003.70/3,835.22
  6. Step 6: Final answer
    x = 4,521.52

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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.