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Finding the Fourth Proportional to 5,765.87, 7,958.04 and 3,376.10

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Solution

The fourth proportional to 5,765.87, 7,958.04 and 3,376.10 is: 4,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.87 : 7,958.04 = 3,376.10 : x
  2. Step 2: Convert to fraction form
    5,765.87/7,958.04 = 3,376.10/x
  3. Step 3: Cross multiply
    5,765.87x = 7,958.04 × 3,376.10
  4. Step 4: Simplify right side
    5,765.87x = 26,867,138.84
  5. Step 5: Solve for x
    x = 26,867,138.84/5,765.87
  6. Step 6: Final answer
    x = 4,659.69

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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.