Home / 7,430.22-11,144.76-2,748.03

Finding the Fourth Proportional to 7,430.22, 11,144.76 and 2,748.03

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Solution

The fourth proportional to 7,430.22, 11,144.76 and 2,748.03 is: 4,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.22 : 11,144.76 = 2,748.03 : x
  2. Step 2: Convert to fraction form
    7,430.22/11,144.76 = 2,748.03/x
  3. Step 3: Cross multiply
    7,430.22x = 11,144.76 × 2,748.03
  4. Step 4: Simplify right side
    7,430.22x = 30,626,134.82
  5. Step 5: Solve for x
    x = 30,626,134.82/7,430.22
  6. Step 6: Final answer
    x = 4,121.83

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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.