Home / 5,494.63-8,242.32-2,207.72

Finding the Fourth Proportional to 5,494.63, 8,242.32 and 2,207.72

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Solution

The fourth proportional to 5,494.63, 8,242.32 and 2,207.72 is: 3,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,494.63 : 8,242.32 = 2,207.72 : x
  2. Step 2: Convert to fraction form
    5,494.63/8,242.32 = 2,207.72/x
  3. Step 3: Cross multiply
    5,494.63x = 8,242.32 × 2,207.72
  4. Step 4: Simplify right side
    5,494.63x = 18,196,687.98
  5. Step 5: Solve for x
    x = 18,196,687.98/5,494.63
  6. Step 6: Final answer
    x = 3,311.73

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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.