Home / 5,186.05-7,777.92-2,065.48

Finding the Fourth Proportional to 5,186.05, 7,777.92 and 2,065.48

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Solution

The fourth proportional to 5,186.05, 7,777.92 and 2,065.48 is: 3,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.05 : 7,777.92 = 2,065.48 : x
  2. Step 2: Convert to fraction form
    5,186.05/7,777.92 = 2,065.48/x
  3. Step 3: Cross multiply
    5,186.05x = 7,777.92 × 2,065.48
  4. Step 4: Simplify right side
    5,186.05x = 16,065,138.20
  5. Step 5: Solve for x
    x = 16,065,138.20/5,186.05
  6. Step 6: Final answer
    x = 3,097.76

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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.