Home / 5,219.85-7,831.59-2,297.73

Finding the Fourth Proportional to 5,219.85, 7,831.59 and 2,297.73

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Solution

The fourth proportional to 5,219.85, 7,831.59 and 2,297.73 is: 3,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.85 : 7,831.59 = 2,297.73 : x
  2. Step 2: Convert to fraction form
    5,219.85/7,831.59 = 2,297.73/x
  3. Step 3: Cross multiply
    5,219.85x = 7,831.59 × 2,297.73
  4. Step 4: Simplify right side
    5,219.85x = 17,994,879.29
  5. Step 5: Solve for x
    x = 17,994,879.29/5,219.85
  6. Step 6: Final answer
    x = 3,447.39

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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.