Home / 3,401.11-4,692.36-1,908.82

Finding the Fourth Proportional to 3,401.11, 4,692.36 and 1,908.82

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Solution

The fourth proportional to 3,401.11, 4,692.36 and 1,908.82 is: 2,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.11 : 4,692.36 = 1,908.82 : x
  2. Step 2: Convert to fraction form
    3,401.11/4,692.36 = 1,908.82/x
  3. Step 3: Cross multiply
    3,401.11x = 4,692.36 × 1,908.82
  4. Step 4: Simplify right side
    3,401.11x = 8,956,870.62
  5. Step 5: Solve for x
    x = 8,956,870.62/3,401.11
  6. Step 6: Final answer
    x = 2,633.51

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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.