Home / 5,199.15-7,791.35-4,023.68

Finding the Fourth Proportional to 5,199.15, 7,791.35 and 4,023.68

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Solution

The fourth proportional to 5,199.15, 7,791.35 and 4,023.68 is: 6,029.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.15 : 7,791.35 = 4,023.68 : x
  2. Step 2: Convert to fraction form
    5,199.15/7,791.35 = 4,023.68/x
  3. Step 3: Cross multiply
    5,199.15x = 7,791.35 × 4,023.68
  4. Step 4: Simplify right side
    5,199.15x = 31,349,859.57
  5. Step 5: Solve for x
    x = 31,349,859.57/5,199.15
  6. Step 6: Final answer
    x = 6,029.81

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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.