Finding the Fourth Proportional to 6,594.40, 9,890 and 2,210.72
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Solution
The fourth proportional to 6,594.40, 9,890 and 2,210.72 is: 3,315.54
Step by Step Solution
- Step 1: Write the proportion equation
6,594.40 : 9,890 = 2,210.72 : x - Step 2: Convert to fraction form
6,594.40/9,890 = 2,210.72/x - Step 3: Cross multiply
6,594.40x = 9,890 × 2,210.72 - Step 4: Simplify right side
6,594.40x = 21,864,020.80 - Step 5: Solve for x
x = 21,864,020.80/6,594.40 - Step 6: Final answer
x = 3,315.54
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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.