Home / 3,692.61-5,095.03-2,685.91

Finding the Fourth Proportional to 3,692.61, 5,095.03 and 2,685.91

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Solution

The fourth proportional to 3,692.61, 5,095.03 and 2,685.91 is: 3,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.61 : 5,095.03 = 2,685.91 : x
  2. Step 2: Convert to fraction form
    3,692.61/5,095.03 = 2,685.91/x
  3. Step 3: Cross multiply
    3,692.61x = 5,095.03 × 2,685.91
  4. Step 4: Simplify right side
    3,692.61x = 13,684,779.61
  5. Step 5: Solve for x
    x = 13,684,779.61/3,692.61
  6. Step 6: Final answer
    x = 3,705.99

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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.