Finding the Fourth Proportional to 3,244, 4,866 and 812
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Solution
The fourth proportional to 3,244, 4,866 and 812 is: 1,218
Step by Step Solution
- Step 1: Write the proportion equation
3,244 : 4,866 = 812 : x - Step 2: Convert to fraction form
3,244/4,866 = 812/x - Step 3: Cross multiply
3,244x = 4,866 × 812 - Step 4: Simplify right side
3,244x = 3,951,192 - Step 5: Solve for x
x = 3,951,192/3,244 - Step 6: Final answer
x = 1,218
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.