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Finding the Fourth Proportional to 5,758.72, 7,947.10 and 3,370.18

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Solution

The fourth proportional to 5,758.72, 7,947.10 and 3,370.18 is: 4,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.72 : 7,947.10 = 3,370.18 : x
  2. Step 2: Convert to fraction form
    5,758.72/7,947.10 = 3,370.18/x
  3. Step 3: Cross multiply
    5,758.72x = 7,947.10 × 3,370.18
  4. Step 4: Simplify right side
    5,758.72x = 26,783,157.48
  5. Step 5: Solve for x
    x = 26,783,157.48/5,758.72
  6. Step 6: Final answer
    x = 4,650.89

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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.