Home / 5,975.96-8,240.16-4,087.85

Finding the Fourth Proportional to 5,975.96, 8,240.16 and 4,087.85

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Solution

The fourth proportional to 5,975.96, 8,240.16 and 4,087.85 is: 5,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,975.96 : 8,240.16 = 4,087.85 : x
  2. Step 2: Convert to fraction form
    5,975.96/8,240.16 = 4,087.85/x
  3. Step 3: Cross multiply
    5,975.96x = 8,240.16 × 4,087.85
  4. Step 4: Simplify right side
    5,975.96x = 33,684,538.06
  5. Step 5: Solve for x
    x = 33,684,538.06/5,975.96
  6. Step 6: Final answer
    x = 5,636.67

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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.