Home / 3,554.42-4,905.23-1,982.61

Finding the Fourth Proportional to 3,554.42, 4,905.23 and 1,982.61

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Solution

The fourth proportional to 3,554.42, 4,905.23 and 1,982.61 is: 2,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.42 : 4,905.23 = 1,982.61 : x
  2. Step 2: Convert to fraction form
    3,554.42/4,905.23 = 1,982.61/x
  3. Step 3: Cross multiply
    3,554.42x = 4,905.23 × 1,982.61
  4. Step 4: Simplify right side
    3,554.42x = 9,725,148.14
  5. Step 5: Solve for x
    x = 9,725,148.14/3,554.42
  6. Step 6: Final answer
    x = 2,736.08

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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.