Home / 5,190.04-7,162.14-2,832.28

Finding the Fourth Proportional to 5,190.04, 7,162.14 and 2,832.28

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Solution

The fourth proportional to 5,190.04, 7,162.14 and 2,832.28 is: 3,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.04 : 7,162.14 = 2,832.28 : x
  2. Step 2: Convert to fraction form
    5,190.04/7,162.14 = 2,832.28/x
  3. Step 3: Cross multiply
    5,190.04x = 7,162.14 × 2,832.28
  4. Step 4: Simplify right side
    5,190.04x = 20,285,185.88
  5. Step 5: Solve for x
    x = 20,285,185.88/5,190.04
  6. Step 6: Final answer
    x = 3,908.48

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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.