Home / 2,184.44-3,014.53-1,240.22

Finding the Fourth Proportional to 2,184.44, 3,014.53 and 1,240.22

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Solution

The fourth proportional to 2,184.44, 3,014.53 and 1,240.22 is: 1,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.44 : 3,014.53 = 1,240.22 : x
  2. Step 2: Convert to fraction form
    2,184.44/3,014.53 = 1,240.22/x
  3. Step 3: Cross multiply
    2,184.44x = 3,014.53 × 1,240.22
  4. Step 4: Simplify right side
    2,184.44x = 3,738,684.83
  5. Step 5: Solve for x
    x = 3,738,684.83/2,184.44
  6. Step 6: Final answer
    x = 1,711.51

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Half scale
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Find fourth proportional to 2,185.44, 3,015.91 and 1,241.22
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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.