Home / 4,831.94-6,665.28-2,842.12

Finding the Fourth Proportional to 4,831.94, 6,665.28 and 2,842.12

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Solution

The fourth proportional to 4,831.94, 6,665.28 and 2,842.12 is: 3,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.94 : 6,665.28 = 2,842.12 : x
  2. Step 2: Convert to fraction form
    4,831.94/6,665.28 = 2,842.12/x
  3. Step 3: Cross multiply
    4,831.94x = 6,665.28 × 2,842.12
  4. Step 4: Simplify right side
    4,831.94x = 18,943,525.59
  5. Step 5: Solve for x
    x = 18,943,525.59/4,831.94
  6. Step 6: Final answer
    x = 3,920.48

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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.