Home / 5,819.94-8,029.26-3,831.48

Finding the Fourth Proportional to 5,819.94, 8,029.26 and 3,831.48

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Solution

The fourth proportional to 5,819.94, 8,029.26 and 3,831.48 is: 5,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.94 : 8,029.26 = 3,831.48 : x
  2. Step 2: Convert to fraction form
    5,819.94/8,029.26 = 3,831.48/x
  3. Step 3: Cross multiply
    5,819.94x = 8,029.26 × 3,831.48
  4. Step 4: Simplify right side
    5,819.94x = 30,763,949.10
  5. Step 5: Solve for x
    x = 30,763,949.10/5,819.94
  6. Step 6: Final answer
    x = 5,285.96

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1.5x scale

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.