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Finding the Fourth Proportional to 3,167.36, 4,371.36 and 1,924.64

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Solution

The fourth proportional to 3,167.36, 4,371.36 and 1,924.64 is: 2,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.36 : 4,371.36 = 1,924.64 : x
  2. Step 2: Convert to fraction form
    3,167.36/4,371.36 = 1,924.64/x
  3. Step 3: Cross multiply
    3,167.36x = 4,371.36 × 1,924.64
  4. Step 4: Simplify right side
    3,167.36x = 8,413,294.31
  5. Step 5: Solve for x
    x = 8,413,294.31/3,167.36
  6. Step 6: Final answer
    x = 2,656.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.