Home / 7,726.72-11,581.44-3,337.60

Finding the Fourth Proportional to 7,726.72, 11,581.44 and 3,337.60

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Solution

The fourth proportional to 7,726.72, 11,581.44 and 3,337.60 is: 5,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.72 : 11,581.44 = 3,337.60 : x
  2. Step 2: Convert to fraction form
    7,726.72/11,581.44 = 3,337.60/x
  3. Step 3: Cross multiply
    7,726.72x = 11,581.44 × 3,337.60
  4. Step 4: Simplify right side
    7,726.72x = 38,654,214.14
  5. Step 5: Solve for x
    x = 38,654,214.14/7,726.72
  6. Step 6: Final answer
    x = 5,002.67

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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.