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Finding the Fourth Proportional to 3,578.03, 5,368.59 and 1,935.74

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Solution

The fourth proportional to 3,578.03, 5,368.59 and 1,935.74 is: 2,904.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.03 : 5,368.59 = 1,935.74 : x
  2. Step 2: Convert to fraction form
    3,578.03/5,368.59 = 1,935.74/x
  3. Step 3: Cross multiply
    3,578.03x = 5,368.59 × 1,935.74
  4. Step 4: Simplify right side
    3,578.03x = 10,392,167.56
  5. Step 5: Solve for x
    x = 10,392,167.56/3,578.03
  6. Step 6: Final answer
    x = 2,904.44

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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.