Home / 3,176.66-4,379.70-2,055.62

Finding the Fourth Proportional to 3,176.66, 4,379.70 and 2,055.62

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Solution

The fourth proportional to 3,176.66, 4,379.70 and 2,055.62 is: 2,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.66 : 4,379.70 = 2,055.62 : x
  2. Step 2: Convert to fraction form
    3,176.66/4,379.70 = 2,055.62/x
  3. Step 3: Cross multiply
    3,176.66x = 4,379.70 × 2,055.62
  4. Step 4: Simplify right side
    3,176.66x = 9,002,998.91
  5. Step 5: Solve for x
    x = 9,002,998.91/3,176.66
  6. Step 6: Final answer
    x = 2,834.11

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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.