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Finding the Fourth Proportional to 5,955.34, 8,221.08 and 3,831.88

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Solution

The fourth proportional to 5,955.34, 8,221.08 and 3,831.88 is: 5,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,955.34 : 8,221.08 = 3,831.88 : x
  2. Step 2: Convert to fraction form
    5,955.34/8,221.08 = 3,831.88/x
  3. Step 3: Cross multiply
    5,955.34x = 8,221.08 × 3,831.88
  4. Step 4: Simplify right side
    5,955.34x = 31,502,192.03
  5. Step 5: Solve for x
    x = 31,502,192.03/5,955.34
  6. Step 6: Final answer
    x = 5,289.74

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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.