Home / 3,533.89-4,876.68-1,940.54

Finding the Fourth Proportional to 3,533.89, 4,876.68 and 1,940.54

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Solution

The fourth proportional to 3,533.89, 4,876.68 and 1,940.54 is: 2,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.89 : 4,876.68 = 1,940.54 : x
  2. Step 2: Convert to fraction form
    3,533.89/4,876.68 = 1,940.54/x
  3. Step 3: Cross multiply
    3,533.89x = 4,876.68 × 1,940.54
  4. Step 4: Simplify right side
    3,533.89x = 9,463,392.61
  5. Step 5: Solve for x
    x = 9,463,392.61/3,533.89
  6. Step 6: Final answer
    x = 2,677.90

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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.