Home / 3,184.28-4,397.64-2,192.12

Finding the Fourth Proportional to 3,184.28, 4,397.64 and 2,192.12

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Solution

The fourth proportional to 3,184.28, 4,397.64 and 2,192.12 is: 3,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.28 : 4,397.64 = 2,192.12 : x
  2. Step 2: Convert to fraction form
    3,184.28/4,397.64 = 2,192.12/x
  3. Step 3: Cross multiply
    3,184.28x = 4,397.64 × 2,192.12
  4. Step 4: Simplify right side
    3,184.28x = 9,640,154.60
  5. Step 5: Solve for x
    x = 9,640,154.60/3,184.28
  6. Step 6: Final answer
    x = 3,027.42

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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.