Home / 4,118.22-5,677.20-2,718.54

Finding the Fourth Proportional to 4,118.22, 5,677.20 and 2,718.54

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Solution

The fourth proportional to 4,118.22, 5,677.20 and 2,718.54 is: 3,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.22 : 5,677.20 = 2,718.54 : x
  2. Step 2: Convert to fraction form
    4,118.22/5,677.20 = 2,718.54/x
  3. Step 3: Cross multiply
    4,118.22x = 5,677.20 × 2,718.54
  4. Step 4: Simplify right side
    4,118.22x = 15,433,695.29
  5. Step 5: Solve for x
    x = 15,433,695.29/4,118.22
  6. Step 6: Final answer
    x = 3,747.66

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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.