Finding the Fourth Proportional to 4.00, 6 and 2.00
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Solution
The fourth proportional to 4.00, 6 and 2.00 is: 3.00
Step by Step Solution
- Step 1: Write the proportion equation
4.00 : 6 = 2.00 : x - Step 2: Convert to fraction form
4.00/6 = 2.00/x - Step 3: Cross multiply
4.00x = 6 × 2.00 - Step 4: Simplify right side
4.00x = 11.97 - Step 5: Solve for x
x = 11.97/4.00 - Step 6: Final answer
x = 3.00
Related Problems
Find fourth proportional to 2.00, 3 and 1.00
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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.