Home / 3,490.19-4,816.06-1,998.02

Finding the Fourth Proportional to 3,490.19, 4,816.06 and 1,998.02

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Solution

The fourth proportional to 3,490.19, 4,816.06 and 1,998.02 is: 2,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.19 : 4,816.06 = 1,998.02 : x
  2. Step 2: Convert to fraction form
    3,490.19/4,816.06 = 1,998.02/x
  3. Step 3: Cross multiply
    3,490.19x = 4,816.06 × 1,998.02
  4. Step 4: Simplify right side
    3,490.19x = 9,622,550.13
  5. Step 5: Solve for x
    x = 9,622,550.13/3,490.19
  6. Step 6: Final answer
    x = 2,757.03

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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.