Home / 7,831.92-11,747.66-2,901.45

Finding the Fourth Proportional to 7,831.92, 11,747.66 and 2,901.45

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Solution

The fourth proportional to 7,831.92, 11,747.66 and 2,901.45 is: 4,352.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.92 : 11,747.66 = 2,901.45 : x
  2. Step 2: Convert to fraction form
    7,831.92/11,747.66 = 2,901.45/x
  3. Step 3: Cross multiply
    7,831.92x = 11,747.66 × 2,901.45
  4. Step 4: Simplify right side
    7,831.92x = 34,085,233.60
  5. Step 5: Solve for x
    x = 34,085,233.60/7,831.92
  6. Step 6: Final answer
    x = 4,352.09

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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.