Home / 4,512.30-6,221.17-3,881.51

Finding the Fourth Proportional to 4,512.30, 6,221.17 and 3,881.51

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Solution

The fourth proportional to 4,512.30, 6,221.17 and 3,881.51 is: 5,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.30 : 6,221.17 = 3,881.51 : x
  2. Step 2: Convert to fraction form
    4,512.30/6,221.17 = 3,881.51/x
  3. Step 3: Cross multiply
    4,512.30x = 6,221.17 × 3,881.51
  4. Step 4: Simplify right side
    4,512.30x = 24,147,533.57
  5. Step 5: Solve for x
    x = 24,147,533.57/4,512.30
  6. Step 6: Final answer
    x = 5,351.49

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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.