Home / 5,740.26-7,921.36-3,222.57

Finding the Fourth Proportional to 5,740.26, 7,921.36 and 3,222.57

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Solution

The fourth proportional to 5,740.26, 7,921.36 and 3,222.57 is: 4,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.26 : 7,921.36 = 3,222.57 : x
  2. Step 2: Convert to fraction form
    5,740.26/7,921.36 = 3,222.57/x
  3. Step 3: Cross multiply
    5,740.26x = 7,921.36 × 3,222.57
  4. Step 4: Simplify right side
    5,740.26x = 25,527,137.10
  5. Step 5: Solve for x
    x = 25,527,137.10/5,740.26
  6. Step 6: Final answer
    x = 4,447.03

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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.