Home / 3,183.90-4,777.59-1,236.18

Finding the Fourth Proportional to 3,183.90, 4,777.59 and 1,236.18

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Solution

The fourth proportional to 3,183.90, 4,777.59 and 1,236.18 is: 1,854.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.90 : 4,777.59 = 1,236.18 : x
  2. Step 2: Convert to fraction form
    3,183.90/4,777.59 = 1,236.18/x
  3. Step 3: Cross multiply
    3,183.90x = 4,777.59 × 1,236.18
  4. Step 4: Simplify right side
    3,183.90x = 5,905,961.21
  5. Step 5: Solve for x
    x = 5,905,961.21/3,183.90
  6. Step 6: Final answer
    x = 1,854.95

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,184.90, 4,779.09 and 1,237.18
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.