Home / 5,831.92-8,051.12-3,845.76

Finding the Fourth Proportional to 5,831.92, 8,051.12 and 3,845.76

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Solution

The fourth proportional to 5,831.92, 8,051.12 and 3,845.76 is: 5,309.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.92 : 8,051.12 = 3,845.76 : x
  2. Step 2: Convert to fraction form
    5,831.92/8,051.12 = 3,845.76/x
  3. Step 3: Cross multiply
    5,831.92x = 8,051.12 × 3,845.76
  4. Step 4: Simplify right side
    5,831.92x = 30,962,675.25
  5. Step 5: Solve for x
    x = 30,962,675.25/5,831.92
  6. Step 6: Final answer
    x = 5,309.17

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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.