Home / 3,462.62-4,778.48-1,890.95

Finding the Fourth Proportional to 3,462.62, 4,778.48 and 1,890.95

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Solution

The fourth proportional to 3,462.62, 4,778.48 and 1,890.95 is: 2,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.62 : 4,778.48 = 1,890.95 : x
  2. Step 2: Convert to fraction form
    3,462.62/4,778.48 = 1,890.95/x
  3. Step 3: Cross multiply
    3,462.62x = 4,778.48 × 1,890.95
  4. Step 4: Simplify right side
    3,462.62x = 9,035,857.30
  5. Step 5: Solve for x
    x = 9,035,857.30/3,462.62
  6. Step 6: Final answer
    x = 2,609.54

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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.