Home / 5,561.56-8,342.58-2,099.08

Finding the Fourth Proportional to 5,561.56, 8,342.58 and 2,099.08

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Solution

The fourth proportional to 5,561.56, 8,342.58 and 2,099.08 is: 3,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.56 : 8,342.58 = 2,099.08 : x
  2. Step 2: Convert to fraction form
    5,561.56/8,342.58 = 2,099.08/x
  3. Step 3: Cross multiply
    5,561.56x = 8,342.58 × 2,099.08
  4. Step 4: Simplify right side
    5,561.56x = 17,511,742.83
  5. Step 5: Solve for x
    x = 17,511,742.83/5,561.56
  6. Step 6: Final answer
    x = 3,148.71

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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.