Home / 4,945.72-6,831.76-3,958.06

Finding the Fourth Proportional to 4,945.72, 6,831.76 and 3,958.06

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Solution

The fourth proportional to 4,945.72, 6,831.76 and 3,958.06 is: 5,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.72 : 6,831.76 = 3,958.06 : x
  2. Step 2: Convert to fraction form
    4,945.72/6,831.76 = 3,958.06/x
  3. Step 3: Cross multiply
    4,945.72x = 6,831.76 × 3,958.06
  4. Step 4: Simplify right side
    4,945.72x = 27,040,515.99
  5. Step 5: Solve for x
    x = 27,040,515.99/4,945.72
  6. Step 6: Final answer
    x = 5,467.46

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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.