Home / 5,518.26-8,277.40-2,440.26

Finding the Fourth Proportional to 5,518.26, 8,277.40 and 2,440.26

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Solution

The fourth proportional to 5,518.26, 8,277.40 and 2,440.26 is: 3,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.26 : 8,277.40 = 2,440.26 : x
  2. Step 2: Convert to fraction form
    5,518.26/8,277.40 = 2,440.26/x
  3. Step 3: Cross multiply
    5,518.26x = 8,277.40 × 2,440.26
  4. Step 4: Simplify right side
    5,518.26x = 20,199,008.12
  5. Step 5: Solve for x
    x = 20,199,008.12/5,518.26
  6. Step 6: Final answer
    x = 3,660.39

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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.