Home / 4,110.72-5,671.20-2,618.37

Finding the Fourth Proportional to 4,110.72, 5,671.20 and 2,618.37

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Solution

The fourth proportional to 4,110.72, 5,671.20 and 2,618.37 is: 3,612.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,110.72 : 5,671.20 = 2,618.37 : x
  2. Step 2: Convert to fraction form
    4,110.72/5,671.20 = 2,618.37/x
  3. Step 3: Cross multiply
    4,110.72x = 5,671.20 × 2,618.37
  4. Step 4: Simplify right side
    4,110.72x = 14,849,299.94
  5. Step 5: Solve for x
    x = 14,849,299.94/4,110.72
  6. Step 6: Final answer
    x = 3,612.34

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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.