Home / 5,333.76-7,993.12-2,519.60

Finding the Fourth Proportional to 5,333.76, 7,993.12 and 2,519.60

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Solution

The fourth proportional to 5,333.76, 7,993.12 and 2,519.60 is: 3,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.76 : 7,993.12 = 2,519.60 : x
  2. Step 2: Convert to fraction form
    5,333.76/7,993.12 = 2,519.60/x
  3. Step 3: Cross multiply
    5,333.76x = 7,993.12 × 2,519.60
  4. Step 4: Simplify right side
    5,333.76x = 20,139,465.15
  5. Step 5: Solve for x
    x = 20,139,465.15/5,333.76
  6. Step 6: Final answer
    x = 3,775.85

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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.