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Finding the Fourth Proportional to 3,896.88, 5,845.26 and 975.18

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Solution

The fourth proportional to 3,896.88, 5,845.26 and 975.18 is: 1,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.88 : 5,845.26 = 975.18 : x
  2. Step 2: Convert to fraction form
    3,896.88/5,845.26 = 975.18/x
  3. Step 3: Cross multiply
    3,896.88x = 5,845.26 × 975.18
  4. Step 4: Simplify right side
    3,896.88x = 5,700,180.65
  5. Step 5: Solve for x
    x = 5,700,180.65/3,896.88
  6. Step 6: Final answer
    x = 1,462.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.