Home / 5,528.28-7,620.96-4,199.67

Finding the Fourth Proportional to 5,528.28, 7,620.96 and 4,199.67

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Solution

The fourth proportional to 5,528.28, 7,620.96 and 4,199.67 is: 5,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.28 : 7,620.96 = 4,199.67 : x
  2. Step 2: Convert to fraction form
    5,528.28/7,620.96 = 4,199.67/x
  3. Step 3: Cross multiply
    5,528.28x = 7,620.96 × 4,199.67
  4. Step 4: Simplify right side
    5,528.28x = 32,005,536.14
  5. Step 5: Solve for x
    x = 32,005,536.14/5,528.28
  6. Step 6: Final answer
    x = 5,789.43

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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.