Home / 7,831.83-11,751.86-3,452.29

Finding the Fourth Proportional to 7,831.83, 11,751.86 and 3,452.29

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Solution

The fourth proportional to 7,831.83, 11,751.86 and 3,452.29 is: 5,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.83 : 11,751.86 = 3,452.29 : x
  2. Step 2: Convert to fraction form
    7,831.83/11,751.86 = 3,452.29/x
  3. Step 3: Cross multiply
    7,831.83x = 11,751.86 × 3,452.29
  4. Step 4: Simplify right side
    7,831.83x = 40,570,828.76
  5. Step 5: Solve for x
    x = 40,570,828.76/7,831.83
  6. Step 6: Final answer
    x = 5,180.25

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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.