Finding the Fourth Proportional to 954, 1,316.76 and 540.24
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Solution
The fourth proportional to 954, 1,316.76 and 540.24 is: 745.67
Step by Step Solution
- Step 1: Write the proportion equation
954 : 1,316.76 = 540.24 : x - Step 2: Convert to fraction form
954/1,316.76 = 540.24/x - Step 3: Cross multiply
954x = 1,316.76 × 540.24 - Step 4: Simplify right side
954x = 711,366.42 - Step 5: Solve for x
x = 711,366.42/954 - Step 6: Final answer
x = 745.67
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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.