Home / 3,968.14-5,476.36-2,200.32

Finding the Fourth Proportional to 3,968.14, 5,476.36 and 2,200.32

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Solution

The fourth proportional to 3,968.14, 5,476.36 and 2,200.32 is: 3,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.14 : 5,476.36 = 2,200.32 : x
  2. Step 2: Convert to fraction form
    3,968.14/5,476.36 = 2,200.32/x
  3. Step 3: Cross multiply
    3,968.14x = 5,476.36 × 2,200.32
  4. Step 4: Simplify right side
    3,968.14x = 12,049,744.44
  5. Step 5: Solve for x
    x = 12,049,744.44/3,968.14
  6. Step 6: Final answer
    x = 3,036.62

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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.