Home / 4,007.13-5,529.78-2,238.90

Finding the Fourth Proportional to 4,007.13, 5,529.78 and 2,238.90

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Solution

The fourth proportional to 4,007.13, 5,529.78 and 2,238.90 is: 3,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.13 : 5,529.78 = 2,238.90 : x
  2. Step 2: Convert to fraction form
    4,007.13/5,529.78 = 2,238.90/x
  3. Step 3: Cross multiply
    4,007.13x = 5,529.78 × 2,238.90
  4. Step 4: Simplify right side
    4,007.13x = 12,380,624.44
  5. Step 5: Solve for x
    x = 12,380,624.44/4,007.13
  6. Step 6: Final answer
    x = 3,089.65

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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.