Home / 6,773.88-9,346.44-3,940.32

Finding the Fourth Proportional to 6,773.88, 9,346.44 and 3,940.32

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Solution

The fourth proportional to 6,773.88, 9,346.44 and 3,940.32 is: 5,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,773.88 : 9,346.44 = 3,940.32 : x
  2. Step 2: Convert to fraction form
    6,773.88/9,346.44 = 3,940.32/x
  3. Step 3: Cross multiply
    6,773.88x = 9,346.44 × 3,940.32
  4. Step 4: Simplify right side
    6,773.88x = 36,827,964.46
  5. Step 5: Solve for x
    x = 36,827,964.46/6,773.88
  6. Step 6: Final answer
    x = 5,436.76

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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.