Home / 5,233.48-7,222.35-2,875.78

Finding the Fourth Proportional to 5,233.48, 7,222.35 and 2,875.78

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Solution

The fourth proportional to 5,233.48, 7,222.35 and 2,875.78 is: 3,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.48 : 7,222.35 = 2,875.78 : x
  2. Step 2: Convert to fraction form
    5,233.48/7,222.35 = 2,875.78/x
  3. Step 3: Cross multiply
    5,233.48x = 7,222.35 × 2,875.78
  4. Step 4: Simplify right side
    5,233.48x = 20,769,889.68
  5. Step 5: Solve for x
    x = 20,769,889.68/5,233.48
  6. Step 6: Final answer
    x = 3,968.66

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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.