Home / 4,086.41-5,632.50-2,889.85

Finding the Fourth Proportional to 4,086.41, 5,632.50 and 2,889.85

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Solution

The fourth proportional to 4,086.41, 5,632.50 and 2,889.85 is: 3,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.41 : 5,632.50 = 2,889.85 : x
  2. Step 2: Convert to fraction form
    4,086.41/5,632.50 = 2,889.85/x
  3. Step 3: Cross multiply
    4,086.41x = 5,632.50 × 2,889.85
  4. Step 4: Simplify right side
    4,086.41x = 16,277,066.04
  5. Step 5: Solve for x
    x = 16,277,066.04/4,086.41
  6. Step 6: Final answer
    x = 3,983.22

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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.