Home / 5,221.24-7,831.69-1,523.52

Finding the Fourth Proportional to 5,221.24, 7,831.69 and 1,523.52

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Solution

The fourth proportional to 5,221.24, 7,831.69 and 1,523.52 is: 2,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.24 : 7,831.69 = 1,523.52 : x
  2. Step 2: Convert to fraction form
    5,221.24/7,831.69 = 1,523.52/x
  3. Step 3: Cross multiply
    5,221.24x = 7,831.69 × 1,523.52
  4. Step 4: Simplify right side
    5,221.24x = 11,931,732.54
  5. Step 5: Solve for x
    x = 11,931,732.54/5,221.24
  6. Step 6: Final answer
    x = 2,285.23

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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.