Home / 5,224.50-7,836.75-1,328.94

Finding the Fourth Proportional to 5,224.50, 7,836.75 and 1,328.94

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Solution

The fourth proportional to 5,224.50, 7,836.75 and 1,328.94 is: 1,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.50 : 7,836.75 = 1,328.94 : x
  2. Step 2: Convert to fraction form
    5,224.50/7,836.75 = 1,328.94/x
  3. Step 3: Cross multiply
    5,224.50x = 7,836.75 × 1,328.94
  4. Step 4: Simplify right side
    5,224.50x = 10,414,570.55
  5. Step 5: Solve for x
    x = 10,414,570.55/5,224.50
  6. Step 6: Final answer
    x = 1,993.41

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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.