Home / 4,167.72-6,252.12-1,394.28

Finding the Fourth Proportional to 4,167.72, 6,252.12 and 1,394.28

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Solution

The fourth proportional to 4,167.72, 6,252.12 and 1,394.28 is: 2,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.72 : 6,252.12 = 1,394.28 : x
  2. Step 2: Convert to fraction form
    4,167.72/6,252.12 = 1,394.28/x
  3. Step 3: Cross multiply
    4,167.72x = 6,252.12 × 1,394.28
  4. Step 4: Simplify right side
    4,167.72x = 8,717,205.87
  5. Step 5: Solve for x
    x = 8,717,205.87/4,167.72
  6. Step 6: Final answer
    x = 2,091.60

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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.