Home / 5,149.37-7,104.92-3,024.78

Finding the Fourth Proportional to 5,149.37, 7,104.92 and 3,024.78

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Solution

The fourth proportional to 5,149.37, 7,104.92 and 3,024.78 is: 4,173.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.37 : 7,104.92 = 3,024.78 : x
  2. Step 2: Convert to fraction form
    5,149.37/7,104.92 = 3,024.78/x
  3. Step 3: Cross multiply
    5,149.37x = 7,104.92 × 3,024.78
  4. Step 4: Simplify right side
    5,149.37x = 21,490,827.48
  5. Step 5: Solve for x
    x = 21,490,827.48/5,149.37
  6. Step 6: Final answer
    x = 4,173.49

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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.