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Finding the Fourth Proportional to 3,510.67, 4,844.64 and 1,938.73

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Solution

The fourth proportional to 3,510.67, 4,844.64 and 1,938.73 is: 2,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.67 : 4,844.64 = 1,938.73 : x
  2. Step 2: Convert to fraction form
    3,510.67/4,844.64 = 1,938.73/x
  3. Step 3: Cross multiply
    3,510.67x = 4,844.64 × 1,938.73
  4. Step 4: Simplify right side
    3,510.67x = 9,392,448.91
  5. Step 5: Solve for x
    x = 9,392,448.91/3,510.67
  6. Step 6: Final answer
    x = 2,675.40

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,511.67, 4,846.02 and 1,939.73
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.