Home / 5,146.60-7,719.24-2,222.48

Finding the Fourth Proportional to 5,146.60, 7,719.24 and 2,222.48

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Solution

The fourth proportional to 5,146.60, 7,719.24 and 2,222.48 is: 3,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.60 : 7,719.24 = 2,222.48 : x
  2. Step 2: Convert to fraction form
    5,146.60/7,719.24 = 2,222.48/x
  3. Step 3: Cross multiply
    5,146.60x = 7,719.24 × 2,222.48
  4. Step 4: Simplify right side
    5,146.60x = 17,155,856.52
  5. Step 5: Solve for x
    x = 17,155,856.52/5,146.60
  6. Step 6: Final answer
    x = 3,333.43

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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.