Home / 3,523.16-4,861.64-2,106.57

Finding the Fourth Proportional to 3,523.16, 4,861.64 and 2,106.57

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Solution

The fourth proportional to 3,523.16, 4,861.64 and 2,106.57 is: 2,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.16 : 4,861.64 = 2,106.57 : x
  2. Step 2: Convert to fraction form
    3,523.16/4,861.64 = 2,106.57/x
  3. Step 3: Cross multiply
    3,523.16x = 4,861.64 × 2,106.57
  4. Step 4: Simplify right side
    3,523.16x = 10,241,396.62
  5. Step 5: Solve for x
    x = 10,241,396.62/3,523.16
  6. Step 6: Final answer
    x = 2,906.88

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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.