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Finding the Fourth Proportional to 3,967.01, 5,466.92 and 2,905.10

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Solution

The fourth proportional to 3,967.01, 5,466.92 and 2,905.10 is: 4,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.01 : 5,466.92 = 2,905.10 : x
  2. Step 2: Convert to fraction form
    3,967.01/5,466.92 = 2,905.10/x
  3. Step 3: Cross multiply
    3,967.01x = 5,466.92 × 2,905.10
  4. Step 4: Simplify right side
    3,967.01x = 15,881,907.43
  5. Step 5: Solve for x
    x = 15,881,907.43/3,967.01
  6. Step 6: Final answer
    x = 4,003.50

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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.