Home / 5,268.32-7,270.38-2,910.42

Finding the Fourth Proportional to 5,268.32, 7,270.38 and 2,910.42

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Solution

The fourth proportional to 5,268.32, 7,270.38 and 2,910.42 is: 4,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.32 : 7,270.38 = 2,910.42 : x
  2. Step 2: Convert to fraction form
    5,268.32/7,270.38 = 2,910.42/x
  3. Step 3: Cross multiply
    5,268.32x = 7,270.38 × 2,910.42
  4. Step 4: Simplify right side
    5,268.32x = 21,159,859.36
  5. Step 5: Solve for x
    x = 21,159,859.36/5,268.32
  6. Step 6: Final answer
    x = 4,016.43

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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.