Finding the Fourth Proportional to 2,933.30, 4,400 and 985.52
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Solution
The fourth proportional to 2,933.30, 4,400 and 985.52 is: 1,478.30
Step by Step Solution
- Step 1: Write the proportion equation
2,933.30 : 4,400 = 985.52 : x - Step 2: Convert to fraction form
2,933.30/4,400 = 985.52/x - Step 3: Cross multiply
2,933.30x = 4,400 × 985.52 - Step 4: Simplify right side
2,933.30x = 4,336,288 - Step 5: Solve for x
x = 4,336,288/2,933.30 - Step 6: Final answer
x = 1,478.30
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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.