Home / 5,740.92-7,921.95-3,223.14

Finding the Fourth Proportional to 5,740.92, 7,921.95 and 3,223.14

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Solution

The fourth proportional to 5,740.92, 7,921.95 and 3,223.14 is: 4,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.92 : 7,921.95 = 3,223.14 : x
  2. Step 2: Convert to fraction form
    5,740.92/7,921.95 = 3,223.14/x
  3. Step 3: Cross multiply
    5,740.92x = 7,921.95 × 3,223.14
  4. Step 4: Simplify right side
    5,740.92x = 25,533,553.92
  5. Step 5: Solve for x
    x = 25,533,553.92/5,740.92
  6. Step 6: Final answer
    x = 4,447.64

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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.