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Finding the Fourth Proportional to 4,175.36, 5,788.36 and 3,953.40

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Solution

The fourth proportional to 4,175.36, 5,788.36 and 3,953.40 is: 5,480.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.36 : 5,788.36 = 3,953.40 : x
  2. Step 2: Convert to fraction form
    4,175.36/5,788.36 = 3,953.40/x
  3. Step 3: Cross multiply
    4,175.36x = 5,788.36 × 3,953.40
  4. Step 4: Simplify right side
    4,175.36x = 22,883,702.42
  5. Step 5: Solve for x
    x = 22,883,702.42/4,175.36
  6. Step 6: Final answer
    x = 5,480.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.