Home / 4,740.78-6,540.48-2,750.61

Finding the Fourth Proportional to 4,740.78, 6,540.48 and 2,750.61

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Solution

The fourth proportional to 4,740.78, 6,540.48 and 2,750.61 is: 3,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.78 : 6,540.48 = 2,750.61 : x
  2. Step 2: Convert to fraction form
    4,740.78/6,540.48 = 2,750.61/x
  3. Step 3: Cross multiply
    4,740.78x = 6,540.48 × 2,750.61
  4. Step 4: Simplify right side
    4,740.78x = 17,990,309.69
  5. Step 5: Solve for x
    x = 17,990,309.69/4,740.78
  6. Step 6: Final answer
    x = 3,794.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.