Home / 3,109.11-4,660.28-1,550.27

Finding the Fourth Proportional to 3,109.11, 4,660.28 and 1,550.27

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Solution

The fourth proportional to 3,109.11, 4,660.28 and 1,550.27 is: 2,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.11 : 4,660.28 = 1,550.27 : x
  2. Step 2: Convert to fraction form
    3,109.11/4,660.28 = 1,550.27/x
  3. Step 3: Cross multiply
    3,109.11x = 4,660.28 × 1,550.27
  4. Step 4: Simplify right side
    3,109.11x = 7,224,661.22
  5. Step 5: Solve for x
    x = 7,224,661.22/3,109.11
  6. Step 6: Final answer
    x = 2,323.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.