Home / 2,853.36-3,937.32-1,674.18

Finding the Fourth Proportional to 2,853.36, 3,937.32 and 1,674.18

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Solution

The fourth proportional to 2,853.36, 3,937.32 and 1,674.18 is: 2,310.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.36 : 3,937.32 = 1,674.18 : x
  2. Step 2: Convert to fraction form
    2,853.36/3,937.32 = 1,674.18/x
  3. Step 3: Cross multiply
    2,853.36x = 3,937.32 × 1,674.18
  4. Step 4: Simplify right side
    2,853.36x = 6,591,782.40
  5. Step 5: Solve for x
    x = 6,591,782.40/2,853.36
  6. Step 6: Final answer
    x = 2,310.18

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Half scale
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1.5x scale

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.