Home / 1,724.21-2,583.99-1,236.19

Finding the Fourth Proportional to 1,724.21, 2,583.99 and 1,236.19

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Solution

The fourth proportional to 1,724.21, 2,583.99 and 1,236.19 is: 1,852.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.21 : 2,583.99 = 1,236.19 : x
  2. Step 2: Convert to fraction form
    1,724.21/2,583.99 = 1,236.19/x
  3. Step 3: Cross multiply
    1,724.21x = 2,583.99 × 1,236.19
  4. Step 4: Simplify right side
    1,724.21x = 3,194,283.50
  5. Step 5: Solve for x
    x = 3,194,283.50/1,724.21
  6. Step 6: Final answer
    x = 1,852.61

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Half scale
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Double scale
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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.