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Finding the Fourth Proportional to 5,745.97, 7,929.90 and 3,356.71

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Solution

The fourth proportional to 5,745.97, 7,929.90 and 3,356.71 is: 4,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.97 : 7,929.90 = 3,356.71 : x
  2. Step 2: Convert to fraction form
    5,745.97/7,929.90 = 3,356.71/x
  3. Step 3: Cross multiply
    5,745.97x = 7,929.90 × 3,356.71
  4. Step 4: Simplify right side
    5,745.97x = 26,618,374.63
  5. Step 5: Solve for x
    x = 26,618,374.63/5,745.97
  6. Step 6: Final answer
    x = 4,632.53

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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.