Home / 4,186.79-6,280.19-1,589.73

Finding the Fourth Proportional to 4,186.79, 6,280.19 and 1,589.73

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Solution

The fourth proportional to 4,186.79, 6,280.19 and 1,589.73 is: 2,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.79 : 6,280.19 = 1,589.73 : x
  2. Step 2: Convert to fraction form
    4,186.79/6,280.19 = 1,589.73/x
  3. Step 3: Cross multiply
    4,186.79x = 6,280.19 × 1,589.73
  4. Step 4: Simplify right side
    4,186.79x = 9,983,782.80
  5. Step 5: Solve for x
    x = 9,983,782.80/4,186.79
  6. Step 6: Final answer
    x = 2,384.59

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Half scale
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Double scale
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Similar ratio
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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.