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Finding the Fourth Proportional to 2,057.94, 2,840.02 and 1,126.44

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Solution

The fourth proportional to 2,057.94, 2,840.02 and 1,126.44 is: 1,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.94 : 2,840.02 = 1,126.44 : x
  2. Step 2: Convert to fraction form
    2,057.94/2,840.02 = 1,126.44/x
  3. Step 3: Cross multiply
    2,057.94x = 2,840.02 × 1,126.44
  4. Step 4: Simplify right side
    2,057.94x = 3,199,112.13
  5. Step 5: Solve for x
    x = 3,199,112.13/2,057.94
  6. Step 6: Final answer
    x = 1,554.52

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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.