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Finding the Fourth Proportional to 5,366.29, 7,405.82 and 2,976.54

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Solution

The fourth proportional to 5,366.29, 7,405.82 and 2,976.54 is: 4,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.29 : 7,405.82 = 2,976.54 : x
  2. Step 2: Convert to fraction form
    5,366.29/7,405.82 = 2,976.54/x
  3. Step 3: Cross multiply
    5,366.29x = 7,405.82 × 2,976.54
  4. Step 4: Simplify right side
    5,366.29x = 22,043,719.46
  5. Step 5: Solve for x
    x = 22,043,719.46/5,366.29
  6. Step 6: Final answer
    x = 4,107.81

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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.