Home / 4,158.94-6,238.38-1,693.78

Finding the Fourth Proportional to 4,158.94, 6,238.38 and 1,693.78

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Solution

The fourth proportional to 4,158.94, 6,238.38 and 1,693.78 is: 2,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.94 : 6,238.38 = 1,693.78 : x
  2. Step 2: Convert to fraction form
    4,158.94/6,238.38 = 1,693.78/x
  3. Step 3: Cross multiply
    4,158.94x = 6,238.38 × 1,693.78
  4. Step 4: Simplify right side
    4,158.94x = 10,566,443.28
  5. Step 5: Solve for x
    x = 10,566,443.28/4,158.94
  6. Step 6: Final answer
    x = 2,540.66

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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.