Home / 4,043.72-5,543.94-3,969.91

Finding the Fourth Proportional to 4,043.72, 5,543.94 and 3,969.91

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Solution

The fourth proportional to 4,043.72, 5,543.94 and 3,969.91 is: 5,442.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.72 : 5,543.94 = 3,969.91 : x
  2. Step 2: Convert to fraction form
    4,043.72/5,543.94 = 3,969.91/x
  3. Step 3: Cross multiply
    4,043.72x = 5,543.94 × 3,969.91
  4. Step 4: Simplify right side
    4,043.72x = 22,008,964.66
  5. Step 5: Solve for x
    x = 22,008,964.66/4,043.72
  6. Step 6: Final answer
    x = 5,442.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.