Home / 3,396.38-4,682.61-2,199.23

Finding the Fourth Proportional to 3,396.38, 4,682.61 and 2,199.23

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Solution

The fourth proportional to 3,396.38, 4,682.61 and 2,199.23 is: 3,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.38 : 4,682.61 = 2,199.23 : x
  2. Step 2: Convert to fraction form
    3,396.38/4,682.61 = 2,199.23/x
  3. Step 3: Cross multiply
    3,396.38x = 4,682.61 × 2,199.23
  4. Step 4: Simplify right side
    3,396.38x = 10,298,148.10
  5. Step 5: Solve for x
    x = 10,298,148.10/3,396.38
  6. Step 6: Final answer
    x = 3,032.10

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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.