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Finding the Fourth Proportional to 5,795.73, 7,998.12 and 3,143.16

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Solution

The fourth proportional to 5,795.73, 7,998.12 and 3,143.16 is: 4,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,795.73 : 7,998.12 = 3,143.16 : x
  2. Step 2: Convert to fraction form
    5,795.73/7,998.12 = 3,143.16/x
  3. Step 3: Cross multiply
    5,795.73x = 7,998.12 × 3,143.16
  4. Step 4: Simplify right side
    5,795.73x = 25,139,370.86
  5. Step 5: Solve for x
    x = 25,139,370.86/5,795.73
  6. Step 6: Final answer
    x = 4,337.57

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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.