Home / 4,111.17-6,161.24-2,649.57

Finding the Fourth Proportional to 4,111.17, 6,161.24 and 2,649.57

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Solution

The fourth proportional to 4,111.17, 6,161.24 and 2,649.57 is: 3,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.17 : 6,161.24 = 2,649.57 : x
  2. Step 2: Convert to fraction form
    4,111.17/6,161.24 = 2,649.57/x
  3. Step 3: Cross multiply
    4,111.17x = 6,161.24 × 2,649.57
  4. Step 4: Simplify right side
    4,111.17x = 16,324,623.42
  5. Step 5: Solve for x
    x = 16,324,623.42/4,111.17
  6. Step 6: Final answer
    x = 3,970.80

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1.5x scale

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.