Home / 4,076.85-5,624.76-2,817.97

Finding the Fourth Proportional to 4,076.85, 5,624.76 and 2,817.97

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Solution

The fourth proportional to 4,076.85, 5,624.76 and 2,817.97 is: 3,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.85 : 5,624.76 = 2,817.97 : x
  2. Step 2: Convert to fraction form
    4,076.85/5,624.76 = 2,817.97/x
  3. Step 3: Cross multiply
    4,076.85x = 5,624.76 × 2,817.97
  4. Step 4: Simplify right side
    4,076.85x = 15,850,404.94
  5. Step 5: Solve for x
    x = 15,850,404.94/4,076.85
  6. Step 6: Final answer
    x = 3,887.90

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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.