Home / 3,840.89-5,763.57-1,619.58

Finding the Fourth Proportional to 3,840.89, 5,763.57 and 1,619.58

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Solution

The fourth proportional to 3,840.89, 5,763.57 and 1,619.58 is: 2,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.89 : 5,763.57 = 1,619.58 : x
  2. Step 2: Convert to fraction form
    3,840.89/5,763.57 = 1,619.58/x
  3. Step 3: Cross multiply
    3,840.89x = 5,763.57 × 1,619.58
  4. Step 4: Simplify right side
    3,840.89x = 9,334,584.31
  5. Step 5: Solve for x
    x = 9,334,584.31/3,840.89
  6. Step 6: Final answer
    x = 2,430.32

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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.