Home / 5,104.61-7,044.37-2,867.21

Finding the Fourth Proportional to 5,104.61, 7,044.37 and 2,867.21

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Solution

The fourth proportional to 5,104.61, 7,044.37 and 2,867.21 is: 3,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.61 : 7,044.37 = 2,867.21 : x
  2. Step 2: Convert to fraction form
    5,104.61/7,044.37 = 2,867.21/x
  3. Step 3: Cross multiply
    5,104.61x = 7,044.37 × 2,867.21
  4. Step 4: Simplify right side
    5,104.61x = 20,197,673.77
  5. Step 5: Solve for x
    x = 20,197,673.77/5,104.61
  6. Step 6: Final answer
    x = 3,956.76

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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.