Home / 3,022.41-4,163.49-2,628.75

Finding the Fourth Proportional to 3,022.41, 4,163.49 and 2,628.75

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Solution

The fourth proportional to 3,022.41, 4,163.49 and 2,628.75 is: 3,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.41 : 4,163.49 = 2,628.75 : x
  2. Step 2: Convert to fraction form
    3,022.41/4,163.49 = 2,628.75/x
  3. Step 3: Cross multiply
    3,022.41x = 4,163.49 × 2,628.75
  4. Step 4: Simplify right side
    3,022.41x = 10,944,774.34
  5. Step 5: Solve for x
    x = 10,944,774.34/3,022.41
  6. Step 6: Final answer
    x = 3,621.21

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Half scale
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Double scale
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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.