Home / 4,078.27-5,629.13-2,400.22

Finding the Fourth Proportional to 4,078.27, 5,629.13 and 2,400.22

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Solution

The fourth proportional to 4,078.27, 5,629.13 and 2,400.22 is: 3,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.27 : 5,629.13 = 2,400.22 : x
  2. Step 2: Convert to fraction form
    4,078.27/5,629.13 = 2,400.22/x
  3. Step 3: Cross multiply
    4,078.27x = 5,629.13 × 2,400.22
  4. Step 4: Simplify right side
    4,078.27x = 13,511,150.41
  5. Step 5: Solve for x
    x = 13,511,150.41/4,078.27
  6. Step 6: Final answer
    x = 3,312.96

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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.