Home / 7,424.72-11,132.82-2,491.67

Finding the Fourth Proportional to 7,424.72, 11,132.82 and 2,491.67

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Solution

The fourth proportional to 7,424.72, 11,132.82 and 2,491.67 is: 3,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.72 : 11,132.82 = 2,491.67 : x
  2. Step 2: Convert to fraction form
    7,424.72/11,132.82 = 2,491.67/x
  3. Step 3: Cross multiply
    7,424.72x = 11,132.82 × 2,491.67
  4. Step 4: Simplify right side
    7,424.72x = 27,739,313.61
  5. Step 5: Solve for x
    x = 27,739,313.61/7,424.72
  6. Step 6: Final answer
    x = 3,736.08

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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.