Home / 6,174.18-8,520.21-3,521.54

Finding the Fourth Proportional to 6,174.18, 8,520.21 and 3,521.54

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Solution

The fourth proportional to 6,174.18, 8,520.21 and 3,521.54 is: 4,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.18 : 8,520.21 = 3,521.54 : x
  2. Step 2: Convert to fraction form
    6,174.18/8,520.21 = 3,521.54/x
  3. Step 3: Cross multiply
    6,174.18x = 8,520.21 × 3,521.54
  4. Step 4: Simplify right side
    6,174.18x = 30,004,200.11
  5. Step 5: Solve for x
    x = 30,004,200.11/6,174.18
  6. Step 6: Final answer
    x = 4,859.62

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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.