Home / 4,103.72-6,156.50-1,181.79

Finding the Fourth Proportional to 4,103.72, 6,156.50 and 1,181.79

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Solution

The fourth proportional to 4,103.72, 6,156.50 and 1,181.79 is: 1,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.72 : 6,156.50 = 1,181.79 : x
  2. Step 2: Convert to fraction form
    4,103.72/6,156.50 = 1,181.79/x
  3. Step 3: Cross multiply
    4,103.72x = 6,156.50 × 1,181.79
  4. Step 4: Simplify right side
    4,103.72x = 7,275,684.23
  5. Step 5: Solve for x
    x = 7,275,684.23/4,103.72
  6. Step 6: Final answer
    x = 1,772.95

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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.