Home / 5,400.38-7,403.91-5,301.97

Finding the Fourth Proportional to 5,400.38, 7,403.91 and 5,301.97

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Solution

The fourth proportional to 5,400.38, 7,403.91 and 5,301.97 is: 7,268.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.38 : 7,403.91 = 5,301.97 : x
  2. Step 2: Convert to fraction form
    5,400.38/7,403.91 = 5,301.97/x
  3. Step 3: Cross multiply
    5,400.38x = 7,403.91 × 5,301.97
  4. Step 4: Simplify right side
    5,400.38x = 39,255,308.70
  5. Step 5: Solve for x
    x = 39,255,308.70/5,400.38
  6. Step 6: Final answer
    x = 7,268.99

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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.