Home / 1,896.19-2,616.74-1,057.05

Finding the Fourth Proportional to 1,896.19, 2,616.74 and 1,057.05

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Solution

The fourth proportional to 1,896.19, 2,616.74 and 1,057.05 is: 1,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.19 : 2,616.74 = 1,057.05 : x
  2. Step 2: Convert to fraction form
    1,896.19/2,616.74 = 1,057.05/x
  3. Step 3: Cross multiply
    1,896.19x = 2,616.74 × 1,057.05
  4. Step 4: Simplify right side
    1,896.19x = 2,766,025.02
  5. Step 5: Solve for x
    x = 2,766,025.02/1,896.19
  6. Step 6: Final answer
    x = 1,458.73

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Half 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.