Home / 5,015.68-7,519.92-2,090.56

Finding the Fourth Proportional to 5,015.68, 7,519.92 and 2,090.56

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Solution

The fourth proportional to 5,015.68, 7,519.92 and 2,090.56 is: 3,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.68 : 7,519.92 = 2,090.56 : x
  2. Step 2: Convert to fraction form
    5,015.68/7,519.92 = 2,090.56/x
  3. Step 3: Cross multiply
    5,015.68x = 7,519.92 × 2,090.56
  4. Step 4: Simplify right side
    5,015.68x = 15,720,843.96
  5. Step 5: Solve for x
    x = 15,720,843.96/5,015.68
  6. Step 6: Final answer
    x = 3,134.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.