Home / 5,299.11-7,947.45-2,378.25

Finding the Fourth Proportional to 5,299.11, 7,947.45 and 2,378.25

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Solution

The fourth proportional to 5,299.11, 7,947.45 and 2,378.25 is: 3,566.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.11 : 7,947.45 = 2,378.25 : x
  2. Step 2: Convert to fraction form
    5,299.11/7,947.45 = 2,378.25/x
  3. Step 3: Cross multiply
    5,299.11x = 7,947.45 × 2,378.25
  4. Step 4: Simplify right side
    5,299.11x = 18,901,022.96
  5. Step 5: Solve for x
    x = 18,901,022.96/5,299.11
  6. Step 6: Final answer
    x = 3,566.83

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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.