Home / 5,234-7,222.60-2,876.08

Finding the Fourth Proportional to 5,234, 7,222.60 and 2,876.08

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Solution

The fourth proportional to 5,234, 7,222.60 and 2,876.08 is: 3,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234 : 7,222.60 = 2,876.08 : x
  2. Step 2: Convert to fraction form
    5,234/7,222.60 = 2,876.08/x
  3. Step 3: Cross multiply
    5,234x = 7,222.60 × 2,876.08
  4. Step 4: Simplify right side
    5,234x = 20,772,775.41
  5. Step 5: Solve for x
    x = 20,772,775.41/5,234
  6. Step 6: Final answer
    x = 3,968.81

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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.