Home / 3,840.25-5,299.55-2,184.25

Finding the Fourth Proportional to 3,840.25, 5,299.55 and 2,184.25

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Solution

The fourth proportional to 3,840.25, 5,299.55 and 2,184.25 is: 3,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.25 : 5,299.55 = 2,184.25 : x
  2. Step 2: Convert to fraction form
    3,840.25/5,299.55 = 2,184.25/x
  3. Step 3: Cross multiply
    3,840.25x = 5,299.55 × 2,184.25
  4. Step 4: Simplify right side
    3,840.25x = 11,575,542.09
  5. Step 5: Solve for x
    x = 11,575,542.09/3,840.25
  6. Step 6: Final answer
    x = 3,014.27

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Half scale
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Double scale
Find fourth proportional to 3,841.25, 5,300.93 and 2,185.25
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.