Home / 3,533.80-4,876.87-1,961.89

Finding the Fourth Proportional to 3,533.80, 4,876.87 and 1,961.89

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Solution

The fourth proportional to 3,533.80, 4,876.87 and 1,961.89 is: 2,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.80 : 4,876.87 = 1,961.89 : x
  2. Step 2: Convert to fraction form
    3,533.80/4,876.87 = 1,961.89/x
  3. Step 3: Cross multiply
    3,533.80x = 4,876.87 × 1,961.89
  4. Step 4: Simplify right side
    3,533.80x = 9,567,882.48
  5. Step 5: Solve for x
    x = 9,567,882.48/3,533.80
  6. Step 6: Final answer
    x = 2,707.53

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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.