Home / 5,108.24-7,048.99-2,869.76

Finding the Fourth Proportional to 5,108.24, 7,048.99 and 2,869.76

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Solution

The fourth proportional to 5,108.24, 7,048.99 and 2,869.76 is: 3,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.24 : 7,048.99 = 2,869.76 : x
  2. Step 2: Convert to fraction form
    5,108.24/7,048.99 = 2,869.76/x
  3. Step 3: Cross multiply
    5,108.24x = 7,048.99 × 2,869.76
  4. Step 4: Simplify right side
    5,108.24x = 20,228,930.75
  5. Step 5: Solve for x
    x = 20,228,930.75/5,108.24
  6. Step 6: Final answer
    x = 3,960.06

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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.