Home / 7,581.91-11,353.88-4,800.19

Finding the Fourth Proportional to 7,581.91, 11,353.88 and 4,800.19

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Solution

The fourth proportional to 7,581.91, 11,353.88 and 4,800.19 is: 7,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.91 : 11,353.88 = 4,800.19 : x
  2. Step 2: Convert to fraction form
    7,581.91/11,353.88 = 4,800.19/x
  3. Step 3: Cross multiply
    7,581.91x = 11,353.88 × 4,800.19
  4. Step 4: Simplify right side
    7,581.91x = 54,500,757.24
  5. Step 5: Solve for x
    x = 54,500,757.24/7,581.91
  6. Step 6: Final answer
    x = 7,188.26

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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.