Home / 6,178.41-8,525.59-4,189.73

Finding the Fourth Proportional to 6,178.41, 8,525.59 and 4,189.73

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Solution

The fourth proportional to 6,178.41, 8,525.59 and 4,189.73 is: 5,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178.41 : 8,525.59 = 4,189.73 : x
  2. Step 2: Convert to fraction form
    6,178.41/8,525.59 = 4,189.73/x
  3. Step 3: Cross multiply
    6,178.41x = 8,525.59 × 4,189.73
  4. Step 4: Simplify right side
    6,178.41x = 35,719,867.09
  5. Step 5: Solve for x
    x = 35,719,867.09/6,178.41
  6. Step 6: Final answer
    x = 5,781.40

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Half scale
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Double scale
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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.