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Finding the Fourth Proportional to 3,897.37, 5,845.99 and 975.70

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Solution

The fourth proportional to 3,897.37, 5,845.99 and 975.70 is: 1,463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.37 : 5,845.99 = 975.70 : x
  2. Step 2: Convert to fraction form
    3,897.37/5,845.99 = 975.70/x
  3. Step 3: Cross multiply
    3,897.37x = 5,845.99 × 975.70
  4. Step 4: Simplify right side
    3,897.37x = 5,703,932.44
  5. Step 5: Solve for x
    x = 5,703,932.44/3,897.37
  6. Step 6: Final answer
    x = 1,463.53

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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.