Home / 5,222.94-7,836.45-2,299.20

Finding the Fourth Proportional to 5,222.94, 7,836.45 and 2,299.20

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Solution

The fourth proportional to 5,222.94, 7,836.45 and 2,299.20 is: 3,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.94 : 7,836.45 = 2,299.20 : x
  2. Step 2: Convert to fraction form
    5,222.94/7,836.45 = 2,299.20/x
  3. Step 3: Cross multiply
    5,222.94x = 7,836.45 × 2,299.20
  4. Step 4: Simplify right side
    5,222.94x = 18,017,565.84
  5. Step 5: Solve for x
    x = 18,017,565.84/5,222.94
  6. Step 6: Final answer
    x = 3,449.70

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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.