Home / 3,995.54-5,515.02-2,317.73

Finding the Fourth Proportional to 3,995.54, 5,515.02 and 2,317.73

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Solution

The fourth proportional to 3,995.54, 5,515.02 and 2,317.73 is: 3,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.54 : 5,515.02 = 2,317.73 : x
  2. Step 2: Convert to fraction form
    3,995.54/5,515.02 = 2,317.73/x
  3. Step 3: Cross multiply
    3,995.54x = 5,515.02 × 2,317.73
  4. Step 4: Simplify right side
    3,995.54x = 12,782,299.73
  5. Step 5: Solve for x
    x = 12,782,299.73/3,995.54
  6. Step 6: Final answer
    x = 3,199.14

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