Home / 3,412.58-5,114.66-1,768.18

Finding the Fourth Proportional to 3,412.58, 5,114.66 and 1,768.18

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Solution

The fourth proportional to 3,412.58, 5,114.66 and 1,768.18 is: 2,650.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.58 : 5,114.66 = 1,768.18 : x
  2. Step 2: Convert to fraction form
    3,412.58/5,114.66 = 1,768.18/x
  3. Step 3: Cross multiply
    3,412.58x = 5,114.66 × 1,768.18
  4. Step 4: Simplify right side
    3,412.58x = 9,043,639.52
  5. Step 5: Solve for x
    x = 9,043,639.52/3,412.58
  6. Step 6: Final answer
    x = 2,650.09

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.