Home / 2,867.79-3,953.37-2,027.01

Finding the Fourth Proportional to 2,867.79, 3,953.37 and 2,027.01

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Solution

The fourth proportional to 2,867.79, 3,953.37 and 2,027.01 is: 2,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.79 : 3,953.37 = 2,027.01 : x
  2. Step 2: Convert to fraction form
    2,867.79/3,953.37 = 2,027.01/x
  3. Step 3: Cross multiply
    2,867.79x = 3,953.37 × 2,027.01
  4. Step 4: Simplify right side
    2,867.79x = 8,013,527.75
  5. Step 5: Solve for x
    x = 8,013,527.75/2,867.79
  6. Step 6: Final answer
    x = 2,794.32

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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.