Home / 5,911.98-8,158.20-3,259.38

Finding the Fourth Proportional to 5,911.98, 8,158.20 and 3,259.38

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Solution

The fourth proportional to 5,911.98, 8,158.20 and 3,259.38 is: 4,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.98 : 8,158.20 = 3,259.38 : x
  2. Step 2: Convert to fraction form
    5,911.98/8,158.20 = 3,259.38/x
  3. Step 3: Cross multiply
    5,911.98x = 8,158.20 × 3,259.38
  4. Step 4: Simplify right side
    5,911.98x = 26,590,673.92
  5. Step 5: Solve for x
    x = 26,590,673.92/5,911.98
  6. Step 6: Final answer
    x = 4,497.76

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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.