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Finding the Fourth Proportional to 3,955.57, 5,934.23 and 1,490.41

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Solution

The fourth proportional to 3,955.57, 5,934.23 and 1,490.41 is: 2,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.57 : 5,934.23 = 1,490.41 : x
  2. Step 2: Convert to fraction form
    3,955.57/5,934.23 = 1,490.41/x
  3. Step 3: Cross multiply
    3,955.57x = 5,934.23 × 1,490.41
  4. Step 4: Simplify right side
    3,955.57x = 8,844,415.23
  5. Step 5: Solve for x
    x = 8,844,415.23/3,955.57
  6. Step 6: Final answer
    x = 2,235.94

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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.