Home / 5,181.26-7,150.53-2,943.83

Finding the Fourth Proportional to 5,181.26, 7,150.53 and 2,943.83

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Solution

The fourth proportional to 5,181.26, 7,150.53 and 2,943.83 is: 4,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.26 : 7,150.53 = 2,943.83 : x
  2. Step 2: Convert to fraction form
    5,181.26/7,150.53 = 2,943.83/x
  3. Step 3: Cross multiply
    5,181.26x = 7,150.53 × 2,943.83
  4. Step 4: Simplify right side
    5,181.26x = 21,049,973.65
  5. Step 5: Solve for x
    x = 21,049,973.65/5,181.26
  6. Step 6: Final answer
    x = 4,062.72

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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.