Home / 7,581.92-11,374.08-2,245.64

Finding the Fourth Proportional to 7,581.92, 11,374.08 and 2,245.64

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Solution

The fourth proportional to 7,581.92, 11,374.08 and 2,245.64 is: 3,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.92 : 11,374.08 = 2,245.64 : x
  2. Step 2: Convert to fraction form
    7,581.92/11,374.08 = 2,245.64/x
  3. Step 3: Cross multiply
    7,581.92x = 11,374.08 × 2,245.64
  4. Step 4: Simplify right side
    7,581.92x = 25,542,089.01
  5. Step 5: Solve for x
    x = 25,542,089.01/7,581.92
  6. Step 6: Final answer
    x = 3,368.82

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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.