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Finding the Fourth Proportional to 5,086.99, 7,630.49 and 1,799.88

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Solution

The fourth proportional to 5,086.99, 7,630.49 and 1,799.88 is: 2,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.99 : 7,630.49 = 1,799.88 : x
  2. Step 2: Convert to fraction form
    5,086.99/7,630.49 = 1,799.88/x
  3. Step 3: Cross multiply
    5,086.99x = 7,630.49 × 1,799.88
  4. Step 4: Simplify right side
    5,086.99x = 13,733,966.34
  5. Step 5: Solve for x
    x = 13,733,966.34/5,086.99
  6. Step 6: Final answer
    x = 2,699.82

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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.