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Finding the Fourth Proportional to 3,763.52, 5,181.52 and 3,231.35

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Solution

The fourth proportional to 3,763.52, 5,181.52 and 3,231.35 is: 4,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.52 : 5,181.52 = 3,231.35 : x
  2. Step 2: Convert to fraction form
    3,763.52/5,181.52 = 3,231.35/x
  3. Step 3: Cross multiply
    3,763.52x = 5,181.52 × 3,231.35
  4. Step 4: Simplify right side
    3,763.52x = 16,743,270.67
  5. Step 5: Solve for x
    x = 16,743,270.67/3,763.52
  6. Step 6: Final answer
    x = 4,448.84

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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.