Home / 3,941.73-5,439.60-2,173.44

Finding the Fourth Proportional to 3,941.73, 5,439.60 and 2,173.44

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Solution

The fourth proportional to 3,941.73, 5,439.60 and 2,173.44 is: 2,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.73 : 5,439.60 = 2,173.44 : x
  2. Step 2: Convert to fraction form
    3,941.73/5,439.60 = 2,173.44/x
  3. Step 3: Cross multiply
    3,941.73x = 5,439.60 × 2,173.44
  4. Step 4: Simplify right side
    3,941.73x = 11,822,644.22
  5. Step 5: Solve for x
    x = 11,822,644.22/3,941.73
  6. Step 6: Final answer
    x = 2,999.35

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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.