Home / 4,481.28-6,719.80-1,559.22

Finding the Fourth Proportional to 4,481.28, 6,719.80 and 1,559.22

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Solution

The fourth proportional to 4,481.28, 6,719.80 and 1,559.22 is: 2,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.28 : 6,719.80 = 1,559.22 : x
  2. Step 2: Convert to fraction form
    4,481.28/6,719.80 = 1,559.22/x
  3. Step 3: Cross multiply
    4,481.28x = 6,719.80 × 1,559.22
  4. Step 4: Simplify right side
    4,481.28x = 10,477,646.56
  5. Step 5: Solve for x
    x = 10,477,646.56/4,481.28
  6. Step 6: Final answer
    x = 2,338.09

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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.