Home / 3,520.38-4,858.11-2,104.32

Finding the Fourth Proportional to 3,520.38, 4,858.11 and 2,104.32

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Solution

The fourth proportional to 3,520.38, 4,858.11 and 2,104.32 is: 2,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.38 : 4,858.11 = 2,104.32 : x
  2. Step 2: Convert to fraction form
    3,520.38/4,858.11 = 2,104.32/x
  3. Step 3: Cross multiply
    3,520.38x = 4,858.11 × 2,104.32
  4. Step 4: Simplify right side
    3,520.38x = 10,223,018.04
  5. Step 5: Solve for x
    x = 10,223,018.04/3,520.38
  6. Step 6: Final answer
    x = 2,903.95

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Half 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.