Home / 5,885.48-8,831.67-2,190.33

Finding the Fourth Proportional to 5,885.48, 8,831.67 and 2,190.33

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Solution

The fourth proportional to 5,885.48, 8,831.67 and 2,190.33 is: 3,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.48 : 8,831.67 = 2,190.33 : x
  2. Step 2: Convert to fraction form
    5,885.48/8,831.67 = 2,190.33/x
  3. Step 3: Cross multiply
    5,885.48x = 8,831.67 × 2,190.33
  4. Step 4: Simplify right side
    5,885.48x = 19,344,263.54
  5. Step 5: Solve for x
    x = 19,344,263.54/5,885.48
  6. Step 6: Final answer
    x = 3,286.78

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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.