Home / 4,086.16-5,638.89-2,223.16

Finding the Fourth Proportional to 4,086.16, 5,638.89 and 2,223.16

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Solution

The fourth proportional to 4,086.16, 5,638.89 and 2,223.16 is: 3,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.16 : 5,638.89 = 2,223.16 : x
  2. Step 2: Convert to fraction form
    4,086.16/5,638.89 = 2,223.16/x
  3. Step 3: Cross multiply
    4,086.16x = 5,638.89 × 2,223.16
  4. Step 4: Simplify right side
    4,086.16x = 12,536,154.69
  5. Step 5: Solve for x
    x = 12,536,154.69/4,086.16
  6. Step 6: Final answer
    x = 3,067.95

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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.