Home / 5,226.24-7,212.18-2,868.36

Finding the Fourth Proportional to 5,226.24, 7,212.18 and 2,868.36

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Solution

The fourth proportional to 5,226.24, 7,212.18 and 2,868.36 is: 3,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.24 : 7,212.18 = 2,868.36 : x
  2. Step 2: Convert to fraction form
    5,226.24/7,212.18 = 2,868.36/x
  3. Step 3: Cross multiply
    5,226.24x = 7,212.18 × 2,868.36
  4. Step 4: Simplify right side
    5,226.24x = 20,687,128.62
  5. Step 5: Solve for x
    x = 20,687,128.62/5,226.24
  6. Step 6: Final answer
    x = 3,958.32

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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.