Home / 4,692.96-7,028.21-2,607.78

Finding the Fourth Proportional to 4,692.96, 7,028.21 and 2,607.78

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Solution

The fourth proportional to 4,692.96, 7,028.21 and 2,607.78 is: 3,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.96 : 7,028.21 = 2,607.78 : x
  2. Step 2: Convert to fraction form
    4,692.96/7,028.21 = 2,607.78/x
  3. Step 3: Cross multiply
    4,692.96x = 7,028.21 × 2,607.78
  4. Step 4: Simplify right side
    4,692.96x = 18,328,058.35
  5. Step 5: Solve for x
    x = 18,328,058.35/4,692.96
  6. Step 6: Final answer
    x = 3,905.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.