Home / 3,173.44-4,379.76-1,776.64

Finding the Fourth Proportional to 3,173.44, 4,379.76 and 1,776.64

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Solution

The fourth proportional to 3,173.44, 4,379.76 and 1,776.64 is: 2,451.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.44 : 4,379.76 = 1,776.64 : x
  2. Step 2: Convert to fraction form
    3,173.44/4,379.76 = 1,776.64/x
  3. Step 3: Cross multiply
    3,173.44x = 4,379.76 × 1,776.64
  4. Step 4: Simplify right side
    3,173.44x = 7,781,256.81
  5. Step 5: Solve for x
    x = 7,781,256.81/3,173.44
  6. Step 6: Final answer
    x = 2,451.99

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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.