Home / 5,305.24-7,316.16-3,180.44

Finding the Fourth Proportional to 5,305.24, 7,316.16 and 3,180.44

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Solution

The fourth proportional to 5,305.24, 7,316.16 and 3,180.44 is: 4,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.24 : 7,316.16 = 3,180.44 : x
  2. Step 2: Convert to fraction form
    5,305.24/7,316.16 = 3,180.44/x
  3. Step 3: Cross multiply
    5,305.24x = 7,316.16 × 3,180.44
  4. Step 4: Simplify right side
    5,305.24x = 23,268,607.91
  5. Step 5: Solve for x
    x = 23,268,607.91/5,305.24
  6. Step 6: Final answer
    x = 4,385.97

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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.