Finding the Fourth Proportional to 2,671.08, 3,686.16 and 1,492.23
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Solution
The fourth proportional to 2,671.08, 3,686.16 and 1,492.23 is: 2,059.32
Step by Step Solution
- Step 1: Write the proportion equation
2,671.08 : 3,686.16 = 1,492.23 : x - Step 2: Convert to fraction form
2,671.08/3,686.16 = 1,492.23/x - Step 3: Cross multiply
2,671.08x = 3,686.16 × 1,492.23 - Step 4: Simplify right side
2,671.08x = 5,500,604.13 - Step 5: Solve for x
x = 5,500,604.13/2,671.08 - Step 6: Final answer
x = 2,059.32
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1.5x scale
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.