Home / 5,226.29-7,212.04-2,868.38

Finding the Fourth Proportional to 5,226.29, 7,212.04 and 2,868.38

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Solution

The fourth proportional to 5,226.29, 7,212.04 and 2,868.38 is: 3,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.29 : 7,212.04 = 2,868.38 : x
  2. Step 2: Convert to fraction form
    5,226.29/7,212.04 = 2,868.38/x
  3. Step 3: Cross multiply
    5,226.29x = 7,212.04 × 2,868.38
  4. Step 4: Simplify right side
    5,226.29x = 20,686,871.30
  5. Step 5: Solve for x
    x = 20,686,871.30/5,226.29
  6. Step 6: Final answer
    x = 3,958.23

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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.