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Finding the Fourth Proportional to 5,363.74, 7,394.20 and 3,765.52

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Solution

The fourth proportional to 5,363.74, 7,394.20 and 3,765.52 is: 5,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.74 : 7,394.20 = 3,765.52 : x
  2. Step 2: Convert to fraction form
    5,363.74/7,394.20 = 3,765.52/x
  3. Step 3: Cross multiply
    5,363.74x = 7,394.20 × 3,765.52
  4. Step 4: Simplify right side
    5,363.74x = 27,842,989.50
  5. Step 5: Solve for x
    x = 27,842,989.50/5,363.74
  6. Step 6: Final answer
    x = 5,190.97

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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.