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Finding the Fourth Proportional to 5,358.51, 7,394.79 and 2,968.55

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Solution

The fourth proportional to 5,358.51, 7,394.79 and 2,968.55 is: 4,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.51 : 7,394.79 = 2,968.55 : x
  2. Step 2: Convert to fraction form
    5,358.51/7,394.79 = 2,968.55/x
  3. Step 3: Cross multiply
    5,358.51x = 7,394.79 × 2,968.55
  4. Step 4: Simplify right side
    5,358.51x = 21,951,785.37
  5. Step 5: Solve for x
    x = 21,951,785.37/5,358.51
  6. Step 6: Final answer
    x = 4,096.62

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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.