Home / 1,853.87-2,544.71-1,639.34

Finding the Fourth Proportional to 1,853.87, 2,544.71 and 1,639.34

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Solution

The fourth proportional to 1,853.87, 2,544.71 and 1,639.34 is: 2,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.87 : 2,544.71 = 1,639.34 : x
  2. Step 2: Convert to fraction form
    1,853.87/2,544.71 = 1,639.34/x
  3. Step 3: Cross multiply
    1,853.87x = 2,544.71 × 1,639.34
  4. Step 4: Simplify right side
    1,853.87x = 4,171,623.97
  5. Step 5: Solve for x
    x = 4,171,623.97/1,853.87
  6. Step 6: Final answer
    x = 2,250.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.