Home / 5,233.68-7,222.38-2,875.86

Finding the Fourth Proportional to 5,233.68, 7,222.38 and 2,875.86

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Solution

The fourth proportional to 5,233.68, 7,222.38 and 2,875.86 is: 3,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.68 : 7,222.38 = 2,875.86 : x
  2. Step 2: Convert to fraction form
    5,233.68/7,222.38 = 2,875.86/x
  3. Step 3: Cross multiply
    5,233.68x = 7,222.38 × 2,875.86
  4. Step 4: Simplify right side
    5,233.68x = 20,770,553.75
  5. Step 5: Solve for x
    x = 20,770,553.75/5,233.68
  6. Step 6: Final answer
    x = 3,968.63

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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.