Finding the Fourth Proportional to 4,700, 7,050 and 1,622
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Solution
The fourth proportional to 4,700, 7,050 and 1,622 is: 2,433
Step by Step Solution
- Step 1: Write the proportion equation
4,700 : 7,050 = 1,622 : x - Step 2: Convert to fraction form
4,700/7,050 = 1,622/x - Step 3: Cross multiply
4,700x = 7,050 × 1,622 - Step 4: Simplify right side
4,700x = 11,435,100 - Step 5: Solve for x
x = 11,435,100/4,700 - Step 6: Final answer
x = 2,433
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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.