Home / 5,921.53-8,170.84-3,403.75

Finding the Fourth Proportional to 5,921.53, 8,170.84 and 3,403.75

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Solution

The fourth proportional to 5,921.53, 8,170.84 and 3,403.75 is: 4,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.53 : 8,170.84 = 3,403.75 : x
  2. Step 2: Convert to fraction form
    5,921.53/8,170.84 = 3,403.75/x
  3. Step 3: Cross multiply
    5,921.53x = 8,170.84 × 3,403.75
  4. Step 4: Simplify right side
    5,921.53x = 27,811,458.46
  5. Step 5: Solve for x
    x = 27,811,458.46/5,921.53
  6. Step 6: Final answer
    x = 4,696.67

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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.