Home / 5,242.44-7,831.79-3,749.82

Finding the Fourth Proportional to 5,242.44, 7,831.79 and 3,749.82

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Solution

The fourth proportional to 5,242.44, 7,831.79 and 3,749.82 is: 5,601.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.44 : 7,831.79 = 3,749.82 : x
  2. Step 2: Convert to fraction form
    5,242.44/7,831.79 = 3,749.82/x
  3. Step 3: Cross multiply
    5,242.44x = 7,831.79 × 3,749.82
  4. Step 4: Simplify right side
    5,242.44x = 29,367,784.03
  5. Step 5: Solve for x
    x = 29,367,784.03/5,242.44
  6. Step 6: Final answer
    x = 5,601.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.