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Finding the Fourth Proportional to 4,391.92, 6,587.92 and 1,794.16

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Solution

The fourth proportional to 4,391.92, 6,587.92 and 1,794.16 is: 2,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.92 : 6,587.92 = 1,794.16 : x
  2. Step 2: Convert to fraction form
    4,391.92/6,587.92 = 1,794.16/x
  3. Step 3: Cross multiply
    4,391.92x = 6,587.92 × 1,794.16
  4. Step 4: Simplify right side
    4,391.92x = 11,819,782.55
  5. Step 5: Solve for x
    x = 11,819,782.55/4,391.92
  6. Step 6: Final answer
    x = 2,691.26

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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.