Home / 5,093.28-7,027.96-2,855.12

Finding the Fourth Proportional to 5,093.28, 7,027.96 and 2,855.12

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Solution

The fourth proportional to 5,093.28, 7,027.96 and 2,855.12 is: 3,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.28 : 7,027.96 = 2,855.12 : x
  2. Step 2: Convert to fraction form
    5,093.28/7,027.96 = 2,855.12/x
  3. Step 3: Cross multiply
    5,093.28x = 7,027.96 × 2,855.12
  4. Step 4: Simplify right side
    5,093.28x = 20,065,669.16
  5. Step 5: Solve for x
    x = 20,065,669.16/5,093.28
  6. Step 6: Final answer
    x = 3,939.64

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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.