Home / 3,546.90-4,894.62-1,974.96

Finding the Fourth Proportional to 3,546.90, 4,894.62 and 1,974.96

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Solution

The fourth proportional to 3,546.90, 4,894.62 and 1,974.96 is: 2,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.90 : 4,894.62 = 1,974.96 : x
  2. Step 2: Convert to fraction form
    3,546.90/4,894.62 = 1,974.96/x
  3. Step 3: Cross multiply
    3,546.90x = 4,894.62 × 1,974.96
  4. Step 4: Simplify right side
    3,546.90x = 9,666,678.72
  5. Step 5: Solve for x
    x = 9,666,678.72/3,546.90
  6. Step 6: Final answer
    x = 2,725.39

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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.