Home / 3,474.72-5,210.18-2,379.36

Finding the Fourth Proportional to 3,474.72, 5,210.18 and 2,379.36

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Solution

The fourth proportional to 3,474.72, 5,210.18 and 2,379.36 is: 3,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.72 : 5,210.18 = 2,379.36 : x
  2. Step 2: Convert to fraction form
    3,474.72/5,210.18 = 2,379.36/x
  3. Step 3: Cross multiply
    3,474.72x = 5,210.18 × 2,379.36
  4. Step 4: Simplify right side
    3,474.72x = 12,396,881.99
  5. Step 5: Solve for x
    x = 12,396,881.99/3,474.72
  6. Step 6: Final answer
    x = 3,567.74

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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.