Home / 2,713.62-4,073.75-1,789.95

Finding the Fourth Proportional to 2,713.62, 4,073.75 and 1,789.95

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Solution

The fourth proportional to 2,713.62, 4,073.75 and 1,789.95 is: 2,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.62 : 4,073.75 = 1,789.95 : x
  2. Step 2: Convert to fraction form
    2,713.62/4,073.75 = 1,789.95/x
  3. Step 3: Cross multiply
    2,713.62x = 4,073.75 × 1,789.95
  4. Step 4: Simplify right side
    2,713.62x = 7,291,808.81
  5. Step 5: Solve for x
    x = 7,291,808.81/2,713.62
  6. Step 6: Final answer
    x = 2,687.11

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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.