Home / 5,222.52-7,831.26-3,031.80

Finding the Fourth Proportional to 5,222.52, 7,831.26 and 3,031.80

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Solution

The fourth proportional to 5,222.52, 7,831.26 and 3,031.80 is: 4,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.52 : 7,831.26 = 3,031.80 : x
  2. Step 2: Convert to fraction form
    5,222.52/7,831.26 = 3,031.80/x
  3. Step 3: Cross multiply
    5,222.52x = 7,831.26 × 3,031.80
  4. Step 4: Simplify right side
    5,222.52x = 23,742,814.07
  5. Step 5: Solve for x
    x = 23,742,814.07/5,222.52
  6. Step 6: Final answer
    x = 4,546.24

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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.