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Finding the Fourth Proportional to 3,395.57, 5,092.62 and 930.17

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Solution

The fourth proportional to 3,395.57, 5,092.62 and 930.17 is: 1,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.57 : 5,092.62 = 930.17 : x
  2. Step 2: Convert to fraction form
    3,395.57/5,092.62 = 930.17/x
  3. Step 3: Cross multiply
    3,395.57x = 5,092.62 × 930.17
  4. Step 4: Simplify right side
    3,395.57x = 4,736,976.88
  5. Step 5: Solve for x
    x = 4,736,976.88/3,395.57
  6. Step 6: Final answer
    x = 1,395.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.