Home / 4,167.90-6,251.16-1,394.55

Finding the Fourth Proportional to 4,167.90, 6,251.16 and 1,394.55

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Solution

The fourth proportional to 4,167.90, 6,251.16 and 1,394.55 is: 2,091.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.90 : 6,251.16 = 1,394.55 : x
  2. Step 2: Convert to fraction form
    4,167.90/6,251.16 = 1,394.55/x
  3. Step 3: Cross multiply
    4,167.90x = 6,251.16 × 1,394.55
  4. Step 4: Simplify right side
    4,167.90x = 8,717,555.18
  5. Step 5: Solve for x
    x = 8,717,555.18/4,167.90
  6. Step 6: Final answer
    x = 2,091.59

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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.