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Finding the Fourth Proportional to 3,594.38, 5,391.57 and 997.32

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Solution

The fourth proportional to 3,594.38, 5,391.57 and 997.32 is: 1,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,594.38 : 5,391.57 = 997.32 : x
  2. Step 2: Convert to fraction form
    3,594.38/5,391.57 = 997.32/x
  3. Step 3: Cross multiply
    3,594.38x = 5,391.57 × 997.32
  4. Step 4: Simplify right side
    3,594.38x = 5,377,120.59
  5. Step 5: Solve for x
    x = 5,377,120.59/3,594.38
  6. Step 6: Final answer
    x = 1,495.98

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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.