Home / 5,104.85-7,044.31-2,867.07

Finding the Fourth Proportional to 5,104.85, 7,044.31 and 2,867.07

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Solution

The fourth proportional to 5,104.85, 7,044.31 and 2,867.07 is: 3,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.85 : 7,044.31 = 2,867.07 : x
  2. Step 2: Convert to fraction form
    5,104.85/7,044.31 = 2,867.07/x
  3. Step 3: Cross multiply
    5,104.85x = 7,044.31 × 2,867.07
  4. Step 4: Simplify right side
    5,104.85x = 20,196,529.87
  5. Step 5: Solve for x
    x = 20,196,529.87/5,104.85
  6. Step 6: Final answer
    x = 3,956.34

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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.