Finding the Fourth Proportional to 3,259.44, 4,890 and 951.12
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Solution
The fourth proportional to 3,259.44, 4,890 and 951.12 is: 1,426.93
Step by Step Solution
- Step 1: Write the proportion equation
3,259.44 : 4,890 = 951.12 : x - Step 2: Convert to fraction form
3,259.44/4,890 = 951.12/x - Step 3: Cross multiply
3,259.44x = 4,890 × 951.12 - Step 4: Simplify right side
3,259.44x = 4,650,976.80 - Step 5: Solve for x
x = 4,650,976.80/3,259.44 - Step 6: Final answer
x = 1,426.93
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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.