Home / 5,234.86-7,224.02-2,876.95

Finding the Fourth Proportional to 5,234.86, 7,224.02 and 2,876.95

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Solution

The fourth proportional to 5,234.86, 7,224.02 and 2,876.95 is: 3,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.86 : 7,224.02 = 2,876.95 : x
  2. Step 2: Convert to fraction form
    5,234.86/7,224.02 = 2,876.95/x
  3. Step 3: Cross multiply
    5,234.86x = 7,224.02 × 2,876.95
  4. Step 4: Simplify right side
    5,234.86x = 20,783,144.34
  5. Step 5: Solve for x
    x = 20,783,144.34/5,234.86
  6. Step 6: Final answer
    x = 3,970.14

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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.