Home / 5,479.86-7,562.20-2,961.98

Finding the Fourth Proportional to 5,479.86, 7,562.20 and 2,961.98

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Solution

The fourth proportional to 5,479.86, 7,562.20 and 2,961.98 is: 4,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.86 : 7,562.20 = 2,961.98 : x
  2. Step 2: Convert to fraction form
    5,479.86/7,562.20 = 2,961.98/x
  3. Step 3: Cross multiply
    5,479.86x = 7,562.20 × 2,961.98
  4. Step 4: Simplify right side
    5,479.86x = 22,399,085.16
  5. Step 5: Solve for x
    x = 22,399,085.16/5,479.86
  6. Step 6: Final answer
    x = 4,087.53

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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.