Home / 4,076.69-6,115.65-2,103.53

Finding the Fourth Proportional to 4,076.69, 6,115.65 and 2,103.53

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Solution

The fourth proportional to 4,076.69, 6,115.65 and 2,103.53 is: 3,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.69 : 6,115.65 = 2,103.53 : x
  2. Step 2: Convert to fraction form
    4,076.69/6,115.65 = 2,103.53/x
  3. Step 3: Cross multiply
    4,076.69x = 6,115.65 × 2,103.53
  4. Step 4: Simplify right side
    4,076.69x = 12,864,453.24
  5. Step 5: Solve for x
    x = 12,864,453.24/4,076.69
  6. Step 6: Final answer
    x = 3,155.61

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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.