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Finding the Fourth Proportional to 3,025.92, 4,538.75 and 834.59

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Solution

The fourth proportional to 3,025.92, 4,538.75 and 834.59 is: 1,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.92 : 4,538.75 = 834.59 : x
  2. Step 2: Convert to fraction form
    3,025.92/4,538.75 = 834.59/x
  3. Step 3: Cross multiply
    3,025.92x = 4,538.75 × 834.59
  4. Step 4: Simplify right side
    3,025.92x = 3,787,972.67
  5. Step 5: Solve for x
    x = 3,787,972.67/3,025.92
  6. Step 6: Final answer
    x = 1,251.84

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,026.92, 4,540.25 and 835.59
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.