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Finding the Fourth Proportional to 3,510.06, 4,843.89 and 1,938.16

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Solution

The fourth proportional to 3,510.06, 4,843.89 and 1,938.16 is: 2,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.06 : 4,843.89 = 1,938.16 : x
  2. Step 2: Convert to fraction form
    3,510.06/4,843.89 = 1,938.16/x
  3. Step 3: Cross multiply
    3,510.06x = 4,843.89 × 1,938.16
  4. Step 4: Simplify right side
    3,510.06x = 9,388,233.84
  5. Step 5: Solve for x
    x = 9,388,233.84/3,510.06
  6. Step 6: Final answer
    x = 2,674.66

Related Problems

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Half scale
Find fourth proportional to 7,020.12, 9,687.78 and 3,876.32
Double scale
Find fourth proportional to 3,511.06, 4,845.27 and 1,939.16
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.