Home / 3,500.76-5,242.92-2,765.44

Finding the Fourth Proportional to 3,500.76, 5,242.92 and 2,765.44

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Solution

The fourth proportional to 3,500.76, 5,242.92 and 2,765.44 is: 4,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.76 : 5,242.92 = 2,765.44 : x
  2. Step 2: Convert to fraction form
    3,500.76/5,242.92 = 2,765.44/x
  3. Step 3: Cross multiply
    3,500.76x = 5,242.92 × 2,765.44
  4. Step 4: Simplify right side
    3,500.76x = 14,498,980.68
  5. Step 5: Solve for x
    x = 14,498,980.68/3,500.76
  6. Step 6: Final answer
    x = 4,141.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.