Home / 5,270.92-7,907.76-3,081.52

Finding the Fourth Proportional to 5,270.92, 7,907.76 and 3,081.52

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Solution

The fourth proportional to 5,270.92, 7,907.76 and 3,081.52 is: 4,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.92 : 7,907.76 = 3,081.52 : x
  2. Step 2: Convert to fraction form
    5,270.92/7,907.76 = 3,081.52/x
  3. Step 3: Cross multiply
    5,270.92x = 7,907.76 × 3,081.52
  4. Step 4: Simplify right side
    5,270.92x = 24,367,920.60
  5. Step 5: Solve for x
    x = 24,367,920.60/5,270.92
  6. Step 6: Final answer
    x = 4,623.09

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1.5x scale

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.