Home / 5,198.85-7,798.37-1,867.32

Finding the Fourth Proportional to 5,198.85, 7,798.37 and 1,867.32

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Solution

The fourth proportional to 5,198.85, 7,798.37 and 1,867.32 is: 2,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.85 : 7,798.37 = 1,867.32 : x
  2. Step 2: Convert to fraction form
    5,198.85/7,798.37 = 1,867.32/x
  3. Step 3: Cross multiply
    5,198.85x = 7,798.37 × 1,867.32
  4. Step 4: Simplify right side
    5,198.85x = 14,562,042.93
  5. Step 5: Solve for x
    x = 14,562,042.93/5,198.85
  6. Step 6: Final answer
    x = 2,801.01

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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.