Home / 5,475.60-8,211.68-2,012

Finding the Fourth Proportional to 5,475.60, 8,211.68 and 2,012

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Solution

The fourth proportional to 5,475.60, 8,211.68 and 2,012 is: 3,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.60 : 8,211.68 = 2,012 : x
  2. Step 2: Convert to fraction form
    5,475.60/8,211.68 = 2,012/x
  3. Step 3: Cross multiply
    5,475.60x = 8,211.68 × 2,012
  4. Step 4: Simplify right side
    5,475.60x = 16,521,900.16
  5. Step 5: Solve for x
    x = 16,521,900.16/5,475.60
  6. Step 6: Final answer
    x = 3,017.37

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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.