Home / 4,831.20-6,665.48-2,842.44

Finding the Fourth Proportional to 4,831.20, 6,665.48 and 2,842.44

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Solution

The fourth proportional to 4,831.20, 6,665.48 and 2,842.44 is: 3,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.20 : 6,665.48 = 2,842.44 : x
  2. Step 2: Convert to fraction form
    4,831.20/6,665.48 = 2,842.44/x
  3. Step 3: Cross multiply
    4,831.20x = 6,665.48 × 2,842.44
  4. Step 4: Simplify right side
    4,831.20x = 18,946,226.97
  5. Step 5: Solve for x
    x = 18,946,226.97/4,831.20
  6. Step 6: Final answer
    x = 3,921.64

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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.