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Finding the Fourth Proportional to 5,810.39, 8,018.21 and 3,157.73

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Solution

The fourth proportional to 5,810.39, 8,018.21 and 3,157.73 is: 4,357.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.39 : 8,018.21 = 3,157.73 : x
  2. Step 2: Convert to fraction form
    5,810.39/8,018.21 = 3,157.73/x
  3. Step 3: Cross multiply
    5,810.39x = 8,018.21 × 3,157.73
  4. Step 4: Simplify right side
    5,810.39x = 25,319,286.38
  5. Step 5: Solve for x
    x = 25,319,286.38/5,810.39
  6. Step 6: Final answer
    x = 4,357.59

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Half scale
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Double scale
Find fourth proportional to 5,811.39, 8,019.58 and 3,158.73
Similar ratio
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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.