Home / 6,203.41-8,557.79-3,685.59

Finding the Fourth Proportional to 6,203.41, 8,557.79 and 3,685.59

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Solution

The fourth proportional to 6,203.41, 8,557.79 and 3,685.59 is: 5,084.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,203.41 : 8,557.79 = 3,685.59 : x
  2. Step 2: Convert to fraction form
    6,203.41/8,557.79 = 3,685.59/x
  3. Step 3: Cross multiply
    6,203.41x = 8,557.79 × 3,685.59
  4. Step 4: Simplify right side
    6,203.41x = 31,540,486.82
  5. Step 5: Solve for x
    x = 31,540,486.82/6,203.41
  6. Step 6: Final answer
    x = 5,084.38

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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.