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Finding the Fourth Proportional to 5,759.87, 7,946.57 and 3,400.34

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Solution

The fourth proportional to 5,759.87, 7,946.57 and 3,400.34 is: 4,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.87 : 7,946.57 = 3,400.34 : x
  2. Step 2: Convert to fraction form
    5,759.87/7,946.57 = 3,400.34/x
  3. Step 3: Cross multiply
    5,759.87x = 7,946.57 × 3,400.34
  4. Step 4: Simplify right side
    5,759.87x = 27,021,008.60
  5. Step 5: Solve for x
    x = 27,021,008.60/5,759.87
  6. Step 6: Final answer
    x = 4,691.26

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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.