Home / 5,099.45-7,037.52-2,862.05

Finding the Fourth Proportional to 5,099.45, 7,037.52 and 2,862.05

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Solution

The fourth proportional to 5,099.45, 7,037.52 and 2,862.05 is: 3,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.45 : 7,037.52 = 2,862.05 : x
  2. Step 2: Convert to fraction form
    5,099.45/7,037.52 = 2,862.05/x
  3. Step 3: Cross multiply
    5,099.45x = 7,037.52 × 2,862.05
  4. Step 4: Simplify right side
    5,099.45x = 20,141,734.12
  5. Step 5: Solve for x
    x = 20,141,734.12/5,099.45
  6. Step 6: Final answer
    x = 3,949.79

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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.