Home / 5,086.94-7,631.76-1,799.60

Finding the Fourth Proportional to 5,086.94, 7,631.76 and 1,799.60

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Solution

The fourth proportional to 5,086.94, 7,631.76 and 1,799.60 is: 2,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.94 : 7,631.76 = 1,799.60 : x
  2. Step 2: Convert to fraction form
    5,086.94/7,631.76 = 1,799.60/x
  3. Step 3: Cross multiply
    5,086.94x = 7,631.76 × 1,799.60
  4. Step 4: Simplify right side
    5,086.94x = 13,734,115.30
  5. Step 5: Solve for x
    x = 13,734,115.30/5,086.94
  6. Step 6: Final answer
    x = 2,699.88

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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.