Finding the Fourth Proportional to 2,923.46, 4,386 and 1,625.84
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Solution
The fourth proportional to 2,923.46, 4,386 and 1,625.84 is: 2,439.21
Step by Step Solution
- Step 1: Write the proportion equation
2,923.46 : 4,386 = 1,625.84 : x - Step 2: Convert to fraction form
2,923.46/4,386 = 1,625.84/x - Step 3: Cross multiply
2,923.46x = 4,386 × 1,625.84 - Step 4: Simplify right side
2,923.46x = 7,130,934.24 - Step 5: Solve for x
x = 7,130,934.24/2,923.46 - Step 6: Final answer
x = 2,439.21
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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.