Home / 3,072.73-4,235.20-2,483.05

Finding the Fourth Proportional to 3,072.73, 4,235.20 and 2,483.05

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Solution

The fourth proportional to 3,072.73, 4,235.20 and 2,483.05 is: 3,422.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.73 : 4,235.20 = 2,483.05 : x
  2. Step 2: Convert to fraction form
    3,072.73/4,235.20 = 2,483.05/x
  3. Step 3: Cross multiply
    3,072.73x = 4,235.20 × 2,483.05
  4. Step 4: Simplify right side
    3,072.73x = 10,516,213.36
  5. Step 5: Solve for x
    x = 10,516,213.36/3,072.73
  6. Step 6: Final answer
    x = 3,422.43

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Half scale
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Double scale
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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.