Home / 5,399.88-7,403.24-5,301.47

Finding the Fourth Proportional to 5,399.88, 7,403.24 and 5,301.47

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Solution

The fourth proportional to 5,399.88, 7,403.24 and 5,301.47 is: 7,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.88 : 7,403.24 = 5,301.47 : x
  2. Step 2: Convert to fraction form
    5,399.88/7,403.24 = 5,301.47/x
  3. Step 3: Cross multiply
    5,399.88x = 7,403.24 × 5,301.47
  4. Step 4: Simplify right side
    5,399.88x = 39,247,991.24
  5. Step 5: Solve for x
    x = 39,247,991.24/5,399.88
  6. Step 6: Final answer
    x = 7,268.31

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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.