Finding the Fourth Proportional to 4,622.44, 6,378.73 and 2,632.99
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Solution
The fourth proportional to 4,622.44, 6,378.73 and 2,632.99 is: 3,633.39
Step by Step Solution
- Step 1: Write the proportion equation
4,622.44 : 6,378.73 = 2,632.99 : x - Step 2: Convert to fraction form
4,622.44/6,378.73 = 2,632.99/x - Step 3: Cross multiply
4,622.44x = 6,378.73 × 2,632.99 - Step 4: Simplify right side
4,622.44x = 16,795,132.30 - Step 5: Solve for x
x = 16,795,132.30/4,622.44 - Step 6: Final answer
x = 3,633.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.