Home / 3,638.93-5,020.50-2,222.11

Finding the Fourth Proportional to 3,638.93, 5,020.50 and 2,222.11

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Solution

The fourth proportional to 3,638.93, 5,020.50 and 2,222.11 is: 3,065.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.93 : 5,020.50 = 2,222.11 : x
  2. Step 2: Convert to fraction form
    3,638.93/5,020.50 = 2,222.11/x
  3. Step 3: Cross multiply
    3,638.93x = 5,020.50 × 2,222.11
  4. Step 4: Simplify right side
    3,638.93x = 11,156,067.04
  5. Step 5: Solve for x
    x = 11,156,067.04/3,638.93
  6. Step 6: Final answer
    x = 3,065.75

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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.