Home / 5,190.98-7,163.55-3,701.49

Finding the Fourth Proportional to 5,190.98, 7,163.55 and 3,701.49

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Solution

The fourth proportional to 5,190.98, 7,163.55 and 3,701.49 is: 5,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.98 : 7,163.55 = 3,701.49 : x
  2. Step 2: Convert to fraction form
    5,190.98/7,163.55 = 3,701.49/x
  3. Step 3: Cross multiply
    5,190.98x = 7,163.55 × 3,701.49
  4. Step 4: Simplify right side
    5,190.98x = 26,515,781.83
  5. Step 5: Solve for x
    x = 26,515,781.83/5,190.98
  6. Step 6: Final answer
    x = 5,108.05

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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.