Home / 3,523.10-5,284.80-1,961.92

Finding the Fourth Proportional to 3,523.10, 5,284.80 and 1,961.92

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Solution

The fourth proportional to 3,523.10, 5,284.80 and 1,961.92 is: 2,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.10 : 5,284.80 = 1,961.92 : x
  2. Step 2: Convert to fraction form
    3,523.10/5,284.80 = 1,961.92/x
  3. Step 3: Cross multiply
    3,523.10x = 5,284.80 × 1,961.92
  4. Step 4: Simplify right side
    3,523.10x = 10,368,341.60
  5. Step 5: Solve for x
    x = 10,368,341.60/3,523.10
  6. Step 6: Final answer
    x = 2,942.96

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Similar ratio
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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.