Home / 2,700.87-4,047.66-1,967.01

Finding the Fourth Proportional to 2,700.87, 4,047.66 and 1,967.01

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Solution

The fourth proportional to 2,700.87, 4,047.66 and 1,967.01 is: 2,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.87 : 4,047.66 = 1,967.01 : x
  2. Step 2: Convert to fraction form
    2,700.87/4,047.66 = 1,967.01/x
  3. Step 3: Cross multiply
    2,700.87x = 4,047.66 × 1,967.01
  4. Step 4: Simplify right side
    2,700.87x = 7,961,787.70
  5. Step 5: Solve for x
    x = 7,961,787.70/2,700.87
  6. Step 6: Final answer
    x = 2,947.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.