Home / 3,309.18-4,566.60-1,817.09

Finding the Fourth Proportional to 3,309.18, 4,566.60 and 1,817.09

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Solution

The fourth proportional to 3,309.18, 4,566.60 and 1,817.09 is: 2,507.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.18 : 4,566.60 = 1,817.09 : x
  2. Step 2: Convert to fraction form
    3,309.18/4,566.60 = 1,817.09/x
  3. Step 3: Cross multiply
    3,309.18x = 4,566.60 × 1,817.09
  4. Step 4: Simplify right side
    3,309.18x = 8,297,900.36
  5. Step 5: Solve for x
    x = 8,297,900.36/3,309.18
  6. Step 6: Final answer
    x = 2,507.54

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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.