Home / 3,533.95-4,876.50-1,961.88

Finding the Fourth Proportional to 3,533.95, 4,876.50 and 1,961.88

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Solution

The fourth proportional to 3,533.95, 4,876.50 and 1,961.88 is: 2,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.95 : 4,876.50 = 1,961.88 : x
  2. Step 2: Convert to fraction form
    3,533.95/4,876.50 = 1,961.88/x
  3. Step 3: Cross multiply
    3,533.95x = 4,876.50 × 1,961.88
  4. Step 4: Simplify right side
    3,533.95x = 9,567,107.82
  5. Step 5: Solve for x
    x = 9,567,107.82/3,533.95
  6. Step 6: Final answer
    x = 2,707.20

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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.