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Finding the Fourth Proportional to 2,967.57, 4,094.19 and 1,905.57

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Solution

The fourth proportional to 2,967.57, 4,094.19 and 1,905.57 is: 2,629.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.57 : 4,094.19 = 1,905.57 : x
  2. Step 2: Convert to fraction form
    2,967.57/4,094.19 = 1,905.57/x
  3. Step 3: Cross multiply
    2,967.57x = 4,094.19 × 1,905.57
  4. Step 4: Simplify right side
    2,967.57x = 7,801,765.64
  5. Step 5: Solve for x
    x = 7,801,765.64/2,967.57
  6. Step 6: Final answer
    x = 2,629.01

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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.