Home / 5,692.11-7,855.63-3,454.56

Finding the Fourth Proportional to 5,692.11, 7,855.63 and 3,454.56

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Solution

The fourth proportional to 5,692.11, 7,855.63 and 3,454.56 is: 4,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.11 : 7,855.63 = 3,454.56 : x
  2. Step 2: Convert to fraction form
    5,692.11/7,855.63 = 3,454.56/x
  3. Step 3: Cross multiply
    5,692.11x = 7,855.63 × 3,454.56
  4. Step 4: Simplify right side
    5,692.11x = 27,137,705.89
  5. Step 5: Solve for x
    x = 27,137,705.89/5,692.11
  6. Step 6: Final answer
    x = 4,767.60

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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.