Home / 3,554.63-4,905.39-1,983.03

Finding the Fourth Proportional to 3,554.63, 4,905.39 and 1,983.03

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Solution

The fourth proportional to 3,554.63, 4,905.39 and 1,983.03 is: 2,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.63 : 4,905.39 = 1,983.03 : x
  2. Step 2: Convert to fraction form
    3,554.63/4,905.39 = 1,983.03/x
  3. Step 3: Cross multiply
    3,554.63x = 4,905.39 × 1,983.03
  4. Step 4: Simplify right side
    3,554.63x = 9,727,535.53
  5. Step 5: Solve for x
    x = 9,727,535.53/3,554.63
  6. Step 6: Final answer
    x = 2,736.58

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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.