Home / 5,400.26-7,449.73-3,162.18

Finding the Fourth Proportional to 5,400.26, 7,449.73 and 3,162.18

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Solution

The fourth proportional to 5,400.26, 7,449.73 and 3,162.18 is: 4,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.26 : 7,449.73 = 3,162.18 : x
  2. Step 2: Convert to fraction form
    5,400.26/7,449.73 = 3,162.18/x
  3. Step 3: Cross multiply
    5,400.26x = 7,449.73 × 3,162.18
  4. Step 4: Simplify right side
    5,400.26x = 23,557,387.21
  5. Step 5: Solve for x
    x = 23,557,387.21/5,400.26
  6. Step 6: Final answer
    x = 4,362.27

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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.