Home / 5,144.18-7,097.10-3,255.05

Finding the Fourth Proportional to 5,144.18, 7,097.10 and 3,255.05

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Solution

The fourth proportional to 5,144.18, 7,097.10 and 3,255.05 is: 4,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.18 : 7,097.10 = 3,255.05 : x
  2. Step 2: Convert to fraction form
    5,144.18/7,097.10 = 3,255.05/x
  3. Step 3: Cross multiply
    5,144.18x = 7,097.10 × 3,255.05
  4. Step 4: Simplify right side
    5,144.18x = 23,101,379.87
  5. Step 5: Solve for x
    x = 23,101,379.87/5,144.18
  6. Step 6: Final answer
    x = 4,490.78

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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.