Home / 5,447.12-8,171.30-2,283.94

Finding the Fourth Proportional to 5,447.12, 8,171.30 and 2,283.94

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Solution

The fourth proportional to 5,447.12, 8,171.30 and 2,283.94 is: 3,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.12 : 8,171.30 = 2,283.94 : x
  2. Step 2: Convert to fraction form
    5,447.12/8,171.30 = 2,283.94/x
  3. Step 3: Cross multiply
    5,447.12x = 8,171.30 × 2,283.94
  4. Step 4: Simplify right side
    5,447.12x = 18,662,758.92
  5. Step 5: Solve for x
    x = 18,662,758.92/5,447.12
  6. Step 6: Final answer
    x = 3,426.17

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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.