Home / 4,911.73-6,778.35-2,673.69

Finding the Fourth Proportional to 4,911.73, 6,778.35 and 2,673.69

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Solution

The fourth proportional to 4,911.73, 6,778.35 and 2,673.69 is: 3,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.73 : 6,778.35 = 2,673.69 : x
  2. Step 2: Convert to fraction form
    4,911.73/6,778.35 = 2,673.69/x
  3. Step 3: Cross multiply
    4,911.73x = 6,778.35 × 2,673.69
  4. Step 4: Simplify right side
    4,911.73x = 18,123,196.35
  5. Step 5: Solve for x
    x = 18,123,196.35/4,911.73
  6. Step 6: Final answer
    x = 3,689.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.