Home / 7,190.10-10,786.05-1,995.97

Finding the Fourth Proportional to 7,190.10, 10,786.05 and 1,995.97

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Solution

The fourth proportional to 7,190.10, 10,786.05 and 1,995.97 is: 2,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.10 : 10,786.05 = 1,995.97 : x
  2. Step 2: Convert to fraction form
    7,190.10/10,786.05 = 1,995.97/x
  3. Step 3: Cross multiply
    7,190.10x = 10,786.05 × 1,995.97
  4. Step 4: Simplify right side
    7,190.10x = 21,528,632.22
  5. Step 5: Solve for x
    x = 21,528,632.22/7,190.10
  6. Step 6: Final answer
    x = 2,994.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.