Home / 2,176.45-3,005.99-1,433.73

Finding the Fourth Proportional to 2,176.45, 3,005.99 and 1,433.73

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Solution

The fourth proportional to 2,176.45, 3,005.99 and 1,433.73 is: 1,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.45 : 3,005.99 = 1,433.73 : x
  2. Step 2: Convert to fraction form
    2,176.45/3,005.99 = 1,433.73/x
  3. Step 3: Cross multiply
    2,176.45x = 3,005.99 × 1,433.73
  4. Step 4: Simplify right side
    2,176.45x = 4,309,778.04
  5. Step 5: Solve for x
    x = 4,309,778.04/2,176.45
  6. Step 6: Final answer
    x = 1,980.19

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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.