Home / 5,831.90-8,048.27-3,179.46

Finding the Fourth Proportional to 5,831.90, 8,048.27 and 3,179.46

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Solution

The fourth proportional to 5,831.90, 8,048.27 and 3,179.46 is: 4,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.90 : 8,048.27 = 3,179.46 : x
  2. Step 2: Convert to fraction form
    5,831.90/8,048.27 = 3,179.46/x
  3. Step 3: Cross multiply
    5,831.90x = 8,048.27 × 3,179.46
  4. Step 4: Simplify right side
    5,831.90x = 25,589,152.53
  5. Step 5: Solve for x
    x = 25,589,152.53/5,831.90
  6. Step 6: Final answer
    x = 4,387.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.