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Finding the Fourth Proportional to 2,995.76, 4,137 and 2,832.14

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Solution

The fourth proportional to 2,995.76, 4,137 and 2,832.14 is: 3,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.76 : 4,137 = 2,832.14 : x
  2. Step 2: Convert to fraction form
    2,995.76/4,137 = 2,832.14/x
  3. Step 3: Cross multiply
    2,995.76x = 4,137 × 2,832.14
  4. Step 4: Simplify right side
    2,995.76x = 11,716,563.18
  5. Step 5: Solve for x
    x = 11,716,563.18/2,995.76
  6. Step 6: Final answer
    x = 3,911.05

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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.