Home / 5,910.99-8,161.28-3,673.87

Finding the Fourth Proportional to 5,910.99, 8,161.28 and 3,673.87

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Solution

The fourth proportional to 5,910.99, 8,161.28 and 3,673.87 is: 5,072.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.99 : 8,161.28 = 3,673.87 : x
  2. Step 2: Convert to fraction form
    5,910.99/8,161.28 = 3,673.87/x
  3. Step 3: Cross multiply
    5,910.99x = 8,161.28 × 3,673.87
  4. Step 4: Simplify right side
    5,910.99x = 29,983,481.75
  5. Step 5: Solve for x
    x = 29,983,481.75/5,910.99
  6. Step 6: Final answer
    x = 5,072.50

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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.