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Finding the Fourth Proportional to 5,393.58, 8,090.20 and 1,695.73

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Solution

The fourth proportional to 5,393.58, 8,090.20 and 1,695.73 is: 2,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.58 : 8,090.20 = 1,695.73 : x
  2. Step 2: Convert to fraction form
    5,393.58/8,090.20 = 1,695.73/x
  3. Step 3: Cross multiply
    5,393.58x = 8,090.20 × 1,695.73
  4. Step 4: Simplify right side
    5,393.58x = 13,718,786.37
  5. Step 5: Solve for x
    x = 13,718,786.37/5,393.58
  6. Step 6: Final answer
    x = 2,543.54

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Double scale
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Similar ratio
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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.