Finding the Fourth Proportional to 968, 1,335.84 and 554
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Solution
The fourth proportional to 968, 1,335.84 and 554 is: 764.52
Step by Step Solution
- Step 1: Write the proportion equation
968 : 1,335.84 = 554 : x - Step 2: Convert to fraction form
968/1,335.84 = 554/x - Step 3: Cross multiply
968x = 1,335.84 × 554 - Step 4: Simplify right side
968x = 740,055.36 - Step 5: Solve for x
x = 740,055.36/968 - Step 6: Final answer
x = 764.52
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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.