Home / 6,802.14-10,200.42-2,120.56

Finding the Fourth Proportional to 6,802.14, 10,200.42 and 2,120.56

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Solution

The fourth proportional to 6,802.14, 10,200.42 and 2,120.56 is: 3,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.14 : 10,200.42 = 2,120.56 : x
  2. Step 2: Convert to fraction form
    6,802.14/10,200.42 = 2,120.56/x
  3. Step 3: Cross multiply
    6,802.14x = 10,200.42 × 2,120.56
  4. Step 4: Simplify right side
    6,802.14x = 21,630,602.64
  5. Step 5: Solve for x
    x = 21,630,602.64/6,802.14
  6. Step 6: Final answer
    x = 3,179.97

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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.