Finding the Fourth Proportional to 7,186, 10,779 and 3,082
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Solution
The fourth proportional to 7,186, 10,779 and 3,082 is: 4,623
Step by Step Solution
- Step 1: Write the proportion equation
7,186 : 10,779 = 3,082 : x - Step 2: Convert to fraction form
7,186/10,779 = 3,082/x - Step 3: Cross multiply
7,186x = 10,779 × 3,082 - Step 4: Simplify right side
7,186x = 33,220,878 - Step 5: Solve for x
x = 33,220,878/7,186 - Step 6: Final answer
x = 4,623
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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.