Finding the Fourth Proportional to 7,231.79, 10,848.84 and 2,232.99
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Solution
The fourth proportional to 7,231.79, 10,848.84 and 2,232.99 is: 3,349.84
Step by Step Solution
- Step 1: Write the proportion equation
7,231.79 : 10,848.84 = 2,232.99 : x - Step 2: Convert to fraction form
7,231.79/10,848.84 = 2,232.99/x - Step 3: Cross multiply
7,231.79x = 10,848.84 × 2,232.99 - Step 4: Simplify right side
7,231.79x = 24,225,351.23 - Step 5: Solve for x
x = 24,225,351.23/7,231.79 - Step 6: Final answer
x = 3,349.84
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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.