Home / 5,214.73-7,196.46-2,856.87

Finding the Fourth Proportional to 5,214.73, 7,196.46 and 2,856.87

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Solution

The fourth proportional to 5,214.73, 7,196.46 and 2,856.87 is: 3,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.73 : 7,196.46 = 2,856.87 : x
  2. Step 2: Convert to fraction form
    5,214.73/7,196.46 = 2,856.87/x
  3. Step 3: Cross multiply
    5,214.73x = 7,196.46 × 2,856.87
  4. Step 4: Simplify right side
    5,214.73x = 20,559,350.68
  5. Step 5: Solve for x
    x = 20,559,350.68/5,214.73
  6. Step 6: Final answer
    x = 3,942.55

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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.