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Finding the Fourth Proportional to 3,510.09, 4,843.93 and 1,938.18

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Solution

The fourth proportional to 3,510.09, 4,843.93 and 1,938.18 is: 2,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.09 : 4,843.93 = 1,938.18 : x
  2. Step 2: Convert to fraction form
    3,510.09/4,843.93 = 1,938.18/x
  3. Step 3: Cross multiply
    3,510.09x = 4,843.93 × 1,938.18
  4. Step 4: Simplify right side
    3,510.09x = 9,388,408.25
  5. Step 5: Solve for x
    x = 9,388,408.25/3,510.09
  6. Step 6: Final answer
    x = 2,674.69

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,511.09, 4,845.31 and 1,939.18
Similar ratio
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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.