Home / 3,816.52-5,724.56-1,219.26

Finding the Fourth Proportional to 3,816.52, 5,724.56 and 1,219.26

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Solution

The fourth proportional to 3,816.52, 5,724.56 and 1,219.26 is: 1,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.52 : 5,724.56 = 1,219.26 : x
  2. Step 2: Convert to fraction form
    3,816.52/5,724.56 = 1,219.26/x
  3. Step 3: Cross multiply
    3,816.52x = 5,724.56 × 1,219.26
  4. Step 4: Simplify right side
    3,816.52x = 6,979,727.03
  5. Step 5: Solve for x
    x = 6,979,727.03/3,816.52
  6. Step 6: Final answer
    x = 1,828.82

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1.5x scale

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.