Home / 3,840.14-5,756.36-1,619.50

Finding the Fourth Proportional to 3,840.14, 5,756.36 and 1,619.50

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Solution

The fourth proportional to 3,840.14, 5,756.36 and 1,619.50 is: 2,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.14 : 5,756.36 = 1,619.50 : x
  2. Step 2: Convert to fraction form
    3,840.14/5,756.36 = 1,619.50/x
  3. Step 3: Cross multiply
    3,840.14x = 5,756.36 × 1,619.50
  4. Step 4: Simplify right side
    3,840.14x = 9,322,425.02
  5. Step 5: Solve for x
    x = 9,322,425.02/3,840.14
  6. Step 6: Final answer
    x = 2,427.63

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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.