Home / 5,190.10-7,162.50-2,832.46

Finding the Fourth Proportional to 5,190.10, 7,162.50 and 2,832.46

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Solution

The fourth proportional to 5,190.10, 7,162.50 and 2,832.46 is: 3,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.10 : 7,162.50 = 2,832.46 : x
  2. Step 2: Convert to fraction form
    5,190.10/7,162.50 = 2,832.46/x
  3. Step 3: Cross multiply
    5,190.10x = 7,162.50 × 2,832.46
  4. Step 4: Simplify right side
    5,190.10x = 20,287,494.75
  5. Step 5: Solve for x
    x = 20,287,494.75/5,190.10
  6. Step 6: Final answer
    x = 3,908.88

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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.