Home / 1,713.14-2,362.44-1,380.50

Finding the Fourth Proportional to 1,713.14, 2,362.44 and 1,380.50

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Solution

The fourth proportional to 1,713.14, 2,362.44 and 1,380.50 is: 1,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.14 : 2,362.44 = 1,380.50 : x
  2. Step 2: Convert to fraction form
    1,713.14/2,362.44 = 1,380.50/x
  3. Step 3: Cross multiply
    1,713.14x = 2,362.44 × 1,380.50
  4. Step 4: Simplify right side
    1,713.14x = 3,261,348.42
  5. Step 5: Solve for x
    x = 3,261,348.42/1,713.14
  6. Step 6: Final answer
    x = 1,903.73

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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.