Home / 5,190.29-7,162.58-2,832.41

Finding the Fourth Proportional to 5,190.29, 7,162.58 and 2,832.41

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Solution

The fourth proportional to 5,190.29, 7,162.58 and 2,832.41 is: 3,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.29 : 7,162.58 = 2,832.41 : x
  2. Step 2: Convert to fraction form
    5,190.29/7,162.58 = 2,832.41/x
  3. Step 3: Cross multiply
    5,190.29x = 7,162.58 × 2,832.41
  4. Step 4: Simplify right side
    5,190.29x = 20,287,349.06
  5. Step 5: Solve for x
    x = 20,287,349.06/5,190.29
  6. Step 6: Final answer
    x = 3,908.71

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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.