Home / 7,103.44-9,800.57-4,118.67

Finding the Fourth Proportional to 7,103.44, 9,800.57 and 4,118.67

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Solution

The fourth proportional to 7,103.44, 9,800.57 and 4,118.67 is: 5,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.44 : 9,800.57 = 4,118.67 : x
  2. Step 2: Convert to fraction form
    7,103.44/9,800.57 = 4,118.67/x
  3. Step 3: Cross multiply
    7,103.44x = 9,800.57 × 4,118.67
  4. Step 4: Simplify right side
    7,103.44x = 40,365,293.05
  5. Step 5: Solve for x
    x = 40,365,293.05/7,103.44
  6. Step 6: Final answer
    x = 5,682.50

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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.