Home / 2,831.52-3,905.77-2,033.27

Finding the Fourth Proportional to 2,831.52, 3,905.77 and 2,033.27

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Solution

The fourth proportional to 2,831.52, 3,905.77 and 2,033.27 is: 2,804.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.52 : 3,905.77 = 2,033.27 : x
  2. Step 2: Convert to fraction form
    2,831.52/3,905.77 = 2,033.27/x
  3. Step 3: Cross multiply
    2,831.52x = 3,905.77 × 2,033.27
  4. Step 4: Simplify right side
    2,831.52x = 7,941,484.97
  5. Step 5: Solve for x
    x = 7,941,484.97/2,831.52
  6. Step 6: Final answer
    x = 2,804.67

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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.