Home / 5,224.24-7,831.36-1,936.45

Finding the Fourth Proportional to 5,224.24, 7,831.36 and 1,936.45

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Solution

The fourth proportional to 5,224.24, 7,831.36 and 1,936.45 is: 2,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.24 : 7,831.36 = 1,936.45 : x
  2. Step 2: Convert to fraction form
    5,224.24/7,831.36 = 1,936.45/x
  3. Step 3: Cross multiply
    5,224.24x = 7,831.36 × 1,936.45
  4. Step 4: Simplify right side
    5,224.24x = 15,164,988.23
  5. Step 5: Solve for x
    x = 15,164,988.23/5,224.24
  6. Step 6: Final answer
    x = 2,902.82

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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.