Home / 1,724.63-2,380.56-1,016.45

Finding the Fourth Proportional to 1,724.63, 2,380.56 and 1,016.45

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Solution

The fourth proportional to 1,724.63, 2,380.56 and 1,016.45 is: 1,403.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.63 : 2,380.56 = 1,016.45 : x
  2. Step 2: Convert to fraction form
    1,724.63/2,380.56 = 1,016.45/x
  3. Step 3: Cross multiply
    1,724.63x = 2,380.56 × 1,016.45
  4. Step 4: Simplify right side
    1,724.63x = 2,419,708.31
  5. Step 5: Solve for x
    x = 2,419,708.31/1,724.63
  6. Step 6: Final answer
    x = 1,403.03

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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.