Home / 5,093.54-7,028.64-2,855.12

Finding the Fourth Proportional to 5,093.54, 7,028.64 and 2,855.12

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Solution

The fourth proportional to 5,093.54, 7,028.64 and 2,855.12 is: 3,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.54 : 7,028.64 = 2,855.12 : x
  2. Step 2: Convert to fraction form
    5,093.54/7,028.64 = 2,855.12/x
  3. Step 3: Cross multiply
    5,093.54x = 7,028.64 × 2,855.12
  4. Step 4: Simplify right side
    5,093.54x = 20,067,610.64
  5. Step 5: Solve for x
    x = 20,067,610.64/5,093.54
  6. Step 6: Final answer
    x = 3,939.82

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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.