Home / 7,748.10-11,620.40-2,201.32

Finding the Fourth Proportional to 7,748.10, 11,620.40 and 2,201.32

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Solution

The fourth proportional to 7,748.10, 11,620.40 and 2,201.32 is: 3,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.10 : 11,620.40 = 2,201.32 : x
  2. Step 2: Convert to fraction form
    7,748.10/11,620.40 = 2,201.32/x
  3. Step 3: Cross multiply
    7,748.10x = 11,620.40 × 2,201.32
  4. Step 4: Simplify right side
    7,748.10x = 25,580,218.93
  5. Step 5: Solve for x
    x = 25,580,218.93/7,748.10
  6. Step 6: Final answer
    x = 3,301.48

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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.