Home / 5,396.16-8,090.60-2,472.88

Finding the Fourth Proportional to 5,396.16, 8,090.60 and 2,472.88

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Solution

The fourth proportional to 5,396.16, 8,090.60 and 2,472.88 is: 3,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.16 : 8,090.60 = 2,472.88 : x
  2. Step 2: Convert to fraction form
    5,396.16/8,090.60 = 2,472.88/x
  3. Step 3: Cross multiply
    5,396.16x = 8,090.60 × 2,472.88
  4. Step 4: Simplify right side
    5,396.16x = 20,007,082.93
  5. Step 5: Solve for x
    x = 20,007,082.93/5,396.16
  6. Step 6: Final answer
    x = 3,707.65

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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.