Home / 5,099.49-7,037.60-2,861.62

Finding the Fourth Proportional to 5,099.49, 7,037.60 and 2,861.62

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Solution

The fourth proportional to 5,099.49, 7,037.60 and 2,861.62 is: 3,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.49 : 7,037.60 = 2,861.62 : x
  2. Step 2: Convert to fraction form
    5,099.49/7,037.60 = 2,861.62/x
  3. Step 3: Cross multiply
    5,099.49x = 7,037.60 × 2,861.62
  4. Step 4: Simplify right side
    5,099.49x = 20,138,936.91
  5. Step 5: Solve for x
    x = 20,138,936.91/5,099.49
  6. Step 6: Final answer
    x = 3,949.21

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1.5x scale

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.