Home / 4,817.69-7,227.02-1,307.75

Finding the Fourth Proportional to 4,817.69, 7,227.02 and 1,307.75

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Solution

The fourth proportional to 4,817.69, 7,227.02 and 1,307.75 is: 1,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.69 : 7,227.02 = 1,307.75 : x
  2. Step 2: Convert to fraction form
    4,817.69/7,227.02 = 1,307.75/x
  3. Step 3: Cross multiply
    4,817.69x = 7,227.02 × 1,307.75
  4. Step 4: Simplify right side
    4,817.69x = 9,451,135.84
  5. Step 5: Solve for x
    x = 9,451,135.84/4,817.69
  6. Step 6: Final answer
    x = 1,961.76

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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.