Home / 2,853.78-3,938.16-1,594.75

Finding the Fourth Proportional to 2,853.78, 3,938.16 and 1,594.75

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Solution

The fourth proportional to 2,853.78, 3,938.16 and 1,594.75 is: 2,200.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.78 : 3,938.16 = 1,594.75 : x
  2. Step 2: Convert to fraction form
    2,853.78/3,938.16 = 1,594.75/x
  3. Step 3: Cross multiply
    2,853.78x = 3,938.16 × 1,594.75
  4. Step 4: Simplify right side
    2,853.78x = 6,280,380.66
  5. Step 5: Solve for x
    x = 6,280,380.66/2,853.78
  6. Step 6: Final answer
    x = 2,200.72

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Half scale
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Double 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.