Home / 3,297.60-4,552.56-2,181.78

Finding the Fourth Proportional to 3,297.60, 4,552.56 and 2,181.78

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Solution

The fourth proportional to 3,297.60, 4,552.56 and 2,181.78 is: 3,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.60 : 4,552.56 = 2,181.78 : x
  2. Step 2: Convert to fraction form
    3,297.60/4,552.56 = 2,181.78/x
  3. Step 3: Cross multiply
    3,297.60x = 4,552.56 × 2,181.78
  4. Step 4: Simplify right side
    3,297.60x = 9,932,684.36
  5. Step 5: Solve for x
    x = 9,932,684.36/3,297.60
  6. Step 6: Final answer
    x = 3,012.09

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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.