Home / 5,190.36-7,162.91-2,952.63

Finding the Fourth Proportional to 5,190.36, 7,162.91 and 2,952.63

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Solution

The fourth proportional to 5,190.36, 7,162.91 and 2,952.63 is: 4,074.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.36 : 7,162.91 = 2,952.63 : x
  2. Step 2: Convert to fraction form
    5,190.36/7,162.91 = 2,952.63/x
  3. Step 3: Cross multiply
    5,190.36x = 7,162.91 × 2,952.63
  4. Step 4: Simplify right side
    5,190.36x = 21,149,422.95
  5. Step 5: Solve for x
    x = 21,149,422.95/5,190.36
  6. Step 6: Final answer
    x = 4,074.75

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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.