Home / 5,831.20-8,746.80-2,133.55

Finding the Fourth Proportional to 5,831.20, 8,746.80 and 2,133.55

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Solution

The fourth proportional to 5,831.20, 8,746.80 and 2,133.55 is: 3,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.20 : 8,746.80 = 2,133.55 : x
  2. Step 2: Convert to fraction form
    5,831.20/8,746.80 = 2,133.55/x
  3. Step 3: Cross multiply
    5,831.20x = 8,746.80 × 2,133.55
  4. Step 4: Simplify right side
    5,831.20x = 18,661,735.14
  5. Step 5: Solve for x
    x = 18,661,735.14/5,831.20
  6. Step 6: Final answer
    x = 3,200.33

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1.5x scale

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.