Home / 5,729.33-7,910.26-3,966.37

Finding the Fourth Proportional to 5,729.33, 7,910.26 and 3,966.37

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Solution

The fourth proportional to 5,729.33, 7,910.26 and 3,966.37 is: 5,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.33 : 7,910.26 = 3,966.37 : x
  2. Step 2: Convert to fraction form
    5,729.33/7,910.26 = 3,966.37/x
  3. Step 3: Cross multiply
    5,729.33x = 7,910.26 × 3,966.37
  4. Step 4: Simplify right side
    5,729.33x = 31,374,988.26
  5. Step 5: Solve for x
    x = 31,374,988.26/5,729.33
  6. Step 6: Final answer
    x = 5,476.20

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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.