Home / 5,931.57-8,185.67-3,279

Finding the Fourth Proportional to 5,931.57, 8,185.67 and 3,279

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Solution

The fourth proportional to 5,931.57, 8,185.67 and 3,279 is: 4,525.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.57 : 8,185.67 = 3,279 : x
  2. Step 2: Convert to fraction form
    5,931.57/8,185.67 = 3,279/x
  3. Step 3: Cross multiply
    5,931.57x = 8,185.67 × 3,279
  4. Step 4: Simplify right side
    5,931.57x = 26,840,795.54
  5. Step 5: Solve for x
    x = 26,840,795.54/5,931.57
  6. Step 6: Final answer
    x = 4,525.07

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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.