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Finding the Fourth Proportional to 6,365.96, 8,785.14 and 3,714.20

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Solution

The fourth proportional to 6,365.96, 8,785.14 and 3,714.20 is: 5,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.96 : 8,785.14 = 3,714.20 : x
  2. Step 2: Convert to fraction form
    6,365.96/8,785.14 = 3,714.20/x
  3. Step 3: Cross multiply
    6,365.96x = 8,785.14 × 3,714.20
  4. Step 4: Simplify right side
    6,365.96x = 32,629,766.99
  5. Step 5: Solve for x
    x = 32,629,766.99/6,365.96
  6. Step 6: Final answer
    x = 5,125.66

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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.