Home / 5,099.81-7,037.82-2,976.59

Finding the Fourth Proportional to 5,099.81, 7,037.82 and 2,976.59

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Solution

The fourth proportional to 5,099.81, 7,037.82 and 2,976.59 is: 4,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.81 : 7,037.82 = 2,976.59 : x
  2. Step 2: Convert to fraction form
    5,099.81/7,037.82 = 2,976.59/x
  3. Step 3: Cross multiply
    5,099.81x = 7,037.82 × 2,976.59
  4. Step 4: Simplify right side
    5,099.81x = 20,948,669.44
  5. Step 5: Solve for x
    x = 20,948,669.44/5,099.81
  6. Step 6: Final answer
    x = 4,107.74

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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.