Home / 5,273.08-7,911.88-3,081.80

Finding the Fourth Proportional to 5,273.08, 7,911.88 and 3,081.80

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Solution

The fourth proportional to 5,273.08, 7,911.88 and 3,081.80 is: 4,624.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.08 : 7,911.88 = 3,081.80 : x
  2. Step 2: Convert to fraction form
    5,273.08/7,911.88 = 3,081.80/x
  3. Step 3: Cross multiply
    5,273.08x = 7,911.88 × 3,081.80
  4. Step 4: Simplify right side
    5,273.08x = 24,382,831.78
  5. Step 5: Solve for x
    x = 24,382,831.78/5,273.08
  6. Step 6: Final answer
    x = 4,624.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.