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Finding the Fourth Proportional to 3,793.86, 5,688.41 and 1,160.49

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Solution

The fourth proportional to 3,793.86, 5,688.41 and 1,160.49 is: 1,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.86 : 5,688.41 = 1,160.49 : x
  2. Step 2: Convert to fraction form
    3,793.86/5,688.41 = 1,160.49/x
  3. Step 3: Cross multiply
    3,793.86x = 5,688.41 × 1,160.49
  4. Step 4: Simplify right side
    3,793.86x = 6,601,342.92
  5. Step 5: Solve for x
    x = 6,601,342.92/3,793.86
  6. Step 6: Final answer
    x = 1,740.01

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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.