Home / 5,190.55-7,162.22-2,952.62

Finding the Fourth Proportional to 5,190.55, 7,162.22 and 2,952.62

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Solution

The fourth proportional to 5,190.55, 7,162.22 and 2,952.62 is: 4,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.55 : 7,162.22 = 2,952.62 : x
  2. Step 2: Convert to fraction form
    5,190.55/7,162.22 = 2,952.62/x
  3. Step 3: Cross multiply
    5,190.55x = 7,162.22 × 2,952.62
  4. Step 4: Simplify right side
    5,190.55x = 21,147,312.45
  5. Step 5: Solve for x
    x = 21,147,312.45/5,190.55
  6. Step 6: Final answer
    x = 4,074.20

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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.