Home / 5,182.23-7,151.41-3,057.75

Finding the Fourth Proportional to 5,182.23, 7,151.41 and 3,057.75

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Solution

The fourth proportional to 5,182.23, 7,151.41 and 3,057.75 is: 4,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.23 : 7,151.41 = 3,057.75 : x
  2. Step 2: Convert to fraction form
    5,182.23/7,151.41 = 3,057.75/x
  3. Step 3: Cross multiply
    5,182.23x = 7,151.41 × 3,057.75
  4. Step 4: Simplify right side
    5,182.23x = 21,867,236.35
  5. Step 5: Solve for x
    x = 21,867,236.35/5,182.23
  6. Step 6: Final answer
    x = 4,219.66

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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.