Home / 3,824.96-5,278.38-2,253.32

Finding the Fourth Proportional to 3,824.96, 5,278.38 and 2,253.32

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Solution

The fourth proportional to 3,824.96, 5,278.38 and 2,253.32 is: 3,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.96 : 5,278.38 = 2,253.32 : x
  2. Step 2: Convert to fraction form
    3,824.96/5,278.38 = 2,253.32/x
  3. Step 3: Cross multiply
    3,824.96x = 5,278.38 × 2,253.32
  4. Step 4: Simplify right side
    3,824.96x = 11,893,879.22
  5. Step 5: Solve for x
    x = 11,893,879.22/3,824.96
  6. Step 6: Final answer
    x = 3,109.54

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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.