Home / 4,831.23-6,664.71-3,151.86

Finding the Fourth Proportional to 4,831.23, 6,664.71 and 3,151.86

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Solution

The fourth proportional to 4,831.23, 6,664.71 and 3,151.86 is: 4,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.23 : 6,664.71 = 3,151.86 : x
  2. Step 2: Convert to fraction form
    4,831.23/6,664.71 = 3,151.86/x
  3. Step 3: Cross multiply
    4,831.23x = 6,664.71 × 3,151.86
  4. Step 4: Simplify right side
    4,831.23x = 21,006,232.86
  5. Step 5: Solve for x
    x = 21,006,232.86/4,831.23
  6. Step 6: Final answer
    x = 4,348.01

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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.