Home / 7,590.60-11,390.20-2,663.88

Finding the Fourth Proportional to 7,590.60, 11,390.20 and 2,663.88

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Solution

The fourth proportional to 7,590.60, 11,390.20 and 2,663.88 is: 3,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.60 : 11,390.20 = 2,663.88 : x
  2. Step 2: Convert to fraction form
    7,590.60/11,390.20 = 2,663.88/x
  3. Step 3: Cross multiply
    7,590.60x = 11,390.20 × 2,663.88
  4. Step 4: Simplify right side
    7,590.60x = 30,342,125.98
  5. Step 5: Solve for x
    x = 30,342,125.98/7,590.60
  6. Step 6: Final answer
    x = 3,997.33

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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.