Home / 4,740.22-6,540.39-2,876.86

Finding the Fourth Proportional to 4,740.22, 6,540.39 and 2,876.86

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Solution

The fourth proportional to 4,740.22, 6,540.39 and 2,876.86 is: 3,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.22 : 6,540.39 = 2,876.86 : x
  2. Step 2: Convert to fraction form
    4,740.22/6,540.39 = 2,876.86/x
  3. Step 3: Cross multiply
    4,740.22x = 6,540.39 × 2,876.86
  4. Step 4: Simplify right side
    4,740.22x = 18,815,786.38
  5. Step 5: Solve for x
    x = 18,815,786.38/4,740.22
  6. Step 6: Final answer
    x = 3,969.39

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1.5x scale

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.