Home / 3,554.96-4,905.83-1,983.06

Finding the Fourth Proportional to 3,554.96, 4,905.83 and 1,983.06

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Solution

The fourth proportional to 3,554.96, 4,905.83 and 1,983.06 is: 2,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.96 : 4,905.83 = 1,983.06 : x
  2. Step 2: Convert to fraction form
    3,554.96/4,905.83 = 1,983.06/x
  3. Step 3: Cross multiply
    3,554.96x = 4,905.83 × 1,983.06
  4. Step 4: Simplify right side
    3,554.96x = 9,728,530.71
  5. Step 5: Solve for x
    x = 9,728,530.71/3,554.96
  6. Step 6: Final answer
    x = 2,736.61

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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.