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Finding the Fourth Proportional to 3,704.61, 5,556.99 and 1,072.32

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Solution

The fourth proportional to 3,704.61, 5,556.99 and 1,072.32 is: 1,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.61 : 5,556.99 = 1,072.32 : x
  2. Step 2: Convert to fraction form
    3,704.61/5,556.99 = 1,072.32/x
  3. Step 3: Cross multiply
    3,704.61x = 5,556.99 × 1,072.32
  4. Step 4: Simplify right side
    3,704.61x = 5,958,871.52
  5. Step 5: Solve for x
    x = 5,958,871.52/3,704.61
  6. Step 6: Final answer
    x = 1,608.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,705.61, 5,558.49 and 1,073.32
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1.5x scale

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.