Home / 5,449.21-7,522.20-3,683.21

Finding the Fourth Proportional to 5,449.21, 7,522.20 and 3,683.21

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Solution

The fourth proportional to 5,449.21, 7,522.20 and 3,683.21 is: 5,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.21 : 7,522.20 = 3,683.21 : x
  2. Step 2: Convert to fraction form
    5,449.21/7,522.20 = 3,683.21/x
  3. Step 3: Cross multiply
    5,449.21x = 7,522.20 × 3,683.21
  4. Step 4: Simplify right side
    5,449.21x = 27,705,804.65
  5. Step 5: Solve for x
    x = 27,705,804.65/5,449.21
  6. Step 6: Final answer
    x = 5,084.37

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Half scale
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Double scale
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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.