Home / 3,173.30-4,379.15-1,776.06

Finding the Fourth Proportional to 3,173.30, 4,379.15 and 1,776.06

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Solution

The fourth proportional to 3,173.30, 4,379.15 and 1,776.06 is: 2,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.30 : 4,379.15 = 1,776.06 : x
  2. Step 2: Convert to fraction form
    3,173.30/4,379.15 = 1,776.06/x
  3. Step 3: Cross multiply
    3,173.30x = 4,379.15 × 1,776.06
  4. Step 4: Simplify right side
    3,173.30x = 7,777,633.15
  5. Step 5: Solve for x
    x = 7,777,633.15/3,173.30
  6. Step 6: Final answer
    x = 2,450.96

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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.