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Finding the Fourth Proportional to 6,807.25, 10,210.88 and 2,190.25

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Solution

The fourth proportional to 6,807.25, 10,210.88 and 2,190.25 is: 3,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.25 : 10,210.88 = 2,190.25 : x
  2. Step 2: Convert to fraction form
    6,807.25/10,210.88 = 2,190.25/x
  3. Step 3: Cross multiply
    6,807.25x = 10,210.88 × 2,190.25
  4. Step 4: Simplify right side
    6,807.25x = 22,364,379.92
  5. Step 5: Solve for x
    x = 22,364,379.92/6,807.25
  6. Step 6: Final answer
    x = 3,285.38

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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.