Home / 5,321.36-7,344.12-2,963.84

Finding the Fourth Proportional to 5,321.36, 7,344.12 and 2,963.84

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Solution

The fourth proportional to 5,321.36, 7,344.12 and 2,963.84 is: 4,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.36 : 7,344.12 = 2,963.84 : x
  2. Step 2: Convert to fraction form
    5,321.36/7,344.12 = 2,963.84/x
  3. Step 3: Cross multiply
    5,321.36x = 7,344.12 × 2,963.84
  4. Step 4: Simplify right side
    5,321.36x = 21,766,796.62
  5. Step 5: Solve for x
    x = 21,766,796.62/5,321.36
  6. Step 6: Final answer
    x = 4,090.46

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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.