Home / 5,233.72-7,222.40-2,875.80

Finding the Fourth Proportional to 5,233.72, 7,222.40 and 2,875.80

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Solution

The fourth proportional to 5,233.72, 7,222.40 and 2,875.80 is: 3,968.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.72 : 7,222.40 = 2,875.80 : x
  2. Step 2: Convert to fraction form
    5,233.72/7,222.40 = 2,875.80/x
  3. Step 3: Cross multiply
    5,233.72x = 7,222.40 × 2,875.80
  4. Step 4: Simplify right side
    5,233.72x = 20,770,177.92
  5. Step 5: Solve for x
    x = 20,770,177.92/5,233.72
  6. Step 6: Final answer
    x = 3,968.53

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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.