Home / 7,222.28-10,833.72-2,292.28

Finding the Fourth Proportional to 7,222.28, 10,833.72 and 2,292.28

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Solution

The fourth proportional to 7,222.28, 10,833.72 and 2,292.28 is: 3,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.28 : 10,833.72 = 2,292.28 : x
  2. Step 2: Convert to fraction form
    7,222.28/10,833.72 = 2,292.28/x
  3. Step 3: Cross multiply
    7,222.28x = 10,833.72 × 2,292.28
  4. Step 4: Simplify right side
    7,222.28x = 24,833,919.68
  5. Step 5: Solve for x
    x = 24,833,919.68/7,222.28
  6. Step 6: Final answer
    x = 3,438.52

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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.