Home / 3,892.46-5,368.28-2,633.18

Finding the Fourth Proportional to 3,892.46, 5,368.28 and 2,633.18

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Solution

The fourth proportional to 3,892.46, 5,368.28 and 2,633.18 is: 3,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.46 : 5,368.28 = 2,633.18 : x
  2. Step 2: Convert to fraction form
    3,892.46/5,368.28 = 2,633.18/x
  3. Step 3: Cross multiply
    3,892.46x = 5,368.28 × 2,633.18
  4. Step 4: Simplify right side
    3,892.46x = 14,135,647.53
  5. Step 5: Solve for x
    x = 14,135,647.53/3,892.46
  6. Step 6: Final answer
    x = 3,631.55

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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.