Home / 4,480.48-6,706.68-2,831.32

Finding the Fourth Proportional to 4,480.48, 6,706.68 and 2,831.32

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Solution

The fourth proportional to 4,480.48, 6,706.68 and 2,831.32 is: 4,238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.48 : 6,706.68 = 2,831.32 : x
  2. Step 2: Convert to fraction form
    4,480.48/6,706.68 = 2,831.32/x
  3. Step 3: Cross multiply
    4,480.48x = 6,706.68 × 2,831.32
  4. Step 4: Simplify right side
    4,480.48x = 18,988,757.22
  5. Step 5: Solve for x
    x = 18,988,757.22/4,480.48
  6. Step 6: Final answer
    x = 4,238.11

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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.