Home / 7,741.55-11,608.78-2,475.54

Finding the Fourth Proportional to 7,741.55, 11,608.78 and 2,475.54

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Solution

The fourth proportional to 7,741.55, 11,608.78 and 2,475.54 is: 3,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.55 : 11,608.78 = 2,475.54 : x
  2. Step 2: Convert to fraction form
    7,741.55/11,608.78 = 2,475.54/x
  3. Step 3: Cross multiply
    7,741.55x = 11,608.78 × 2,475.54
  4. Step 4: Simplify right side
    7,741.55x = 28,737,999.24
  5. Step 5: Solve for x
    x = 28,737,999.24/7,741.55
  6. Step 6: Final answer
    x = 3,712.18

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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.