Home / 3,463.76-4,777.80-2,415.44

Finding the Fourth Proportional to 3,463.76, 4,777.80 and 2,415.44

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Solution

The fourth proportional to 3,463.76, 4,777.80 and 2,415.44 is: 3,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.76 : 4,777.80 = 2,415.44 : x
  2. Step 2: Convert to fraction form
    3,463.76/4,777.80 = 2,415.44/x
  3. Step 3: Cross multiply
    3,463.76x = 4,777.80 × 2,415.44
  4. Step 4: Simplify right side
    3,463.76x = 11,540,489.23
  5. Step 5: Solve for x
    x = 11,540,489.23/3,463.76
  6. Step 6: Final answer
    x = 3,331.78

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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.