Finding the Fourth Proportional to 5,905,930, 8,153,726.34 and 3,872,282.44
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Solution
The fourth proportional to 5,905,930, 8,153,726.34 and 3,872,282.44 is: 5,346,072.73
Step by Step Solution
- Step 1: Write the proportion equation
5,905,930 : 8,153,726.34 = 3,872,282.44 : x - Step 2: Convert to fraction form
5,905,930/8,153,726.34 = 3,872,282.44/x - Step 3: Cross multiply
5,905,930x = 8,153,726.34 × 3,872,282.44 - Step 4: Simplify right side
5,905,930x = 31,573,531,326,947.47 - Step 5: Solve for x
x = 31,573,531,326,947.47/5,905,930 - Step 6: Final answer
x = 5,346,072.73
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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.