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Finding the Fourth Proportional to 3,260.18, 4,890.27 and 795

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Solution

The fourth proportional to 3,260.18, 4,890.27 and 795 is: 1,192.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.18 : 4,890.27 = 795 : x
  2. Step 2: Convert to fraction form
    3,260.18/4,890.27 = 795/x
  3. Step 3: Cross multiply
    3,260.18x = 4,890.27 × 795
  4. Step 4: Simplify right side
    3,260.18x = 3,887,764.65
  5. Step 5: Solve for x
    x = 3,887,764.65/3,260.18
  6. Step 6: Final answer
    x = 1,192.50

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Similar ratio
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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.