Home / 5,190.58-7,163.02-2,952.55

Finding the Fourth Proportional to 5,190.58, 7,163.02 and 2,952.55

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Solution

The fourth proportional to 5,190.58, 7,163.02 and 2,952.55 is: 4,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.58 : 7,163.02 = 2,952.55 : x
  2. Step 2: Convert to fraction form
    5,190.58/7,163.02 = 2,952.55/x
  3. Step 3: Cross multiply
    5,190.58x = 7,163.02 × 2,952.55
  4. Step 4: Simplify right side
    5,190.58x = 21,149,170.74
  5. Step 5: Solve for x
    x = 21,149,170.74/5,190.58
  6. Step 6: Final answer
    x = 4,074.53

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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.