Home / 5,403.24-7,449.66-3,725.28

Finding the Fourth Proportional to 5,403.24, 7,449.66 and 3,725.28

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Solution

The fourth proportional to 5,403.24, 7,449.66 and 3,725.28 is: 5,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.24 : 7,449.66 = 3,725.28 : x
  2. Step 2: Convert to fraction form
    5,403.24/7,449.66 = 3,725.28/x
  3. Step 3: Cross multiply
    5,403.24x = 7,449.66 × 3,725.28
  4. Step 4: Simplify right side
    5,403.24x = 27,752,069.40
  5. Step 5: Solve for x
    x = 27,752,069.40/5,403.24
  6. Step 6: Final answer
    x = 5,136.19

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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.