Home / 3,517.39-4,859.87-2,777.05

Finding the Fourth Proportional to 3,517.39, 4,859.87 and 2,777.05

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Solution

The fourth proportional to 3,517.39, 4,859.87 and 2,777.05 is: 3,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.39 : 4,859.87 = 2,777.05 : x
  2. Step 2: Convert to fraction form
    3,517.39/4,859.87 = 2,777.05/x
  3. Step 3: Cross multiply
    3,517.39x = 4,859.87 × 2,777.05
  4. Step 4: Simplify right side
    3,517.39x = 13,496,101.98
  5. Step 5: Solve for x
    x = 13,496,101.98/3,517.39
  6. Step 6: Final answer
    x = 3,836.96

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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.