Home / 5,190.34-7,162.65-2,832.52

Finding the Fourth Proportional to 5,190.34, 7,162.65 and 2,832.52

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Solution

The fourth proportional to 5,190.34, 7,162.65 and 2,832.52 is: 3,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.34 : 7,162.65 = 2,832.52 : x
  2. Step 2: Convert to fraction form
    5,190.34/7,162.65 = 2,832.52/x
  3. Step 3: Cross multiply
    5,190.34x = 7,162.65 × 2,832.52
  4. Step 4: Simplify right side
    5,190.34x = 20,288,349.38
  5. Step 5: Solve for x
    x = 20,288,349.38/5,190.34
  6. Step 6: Final answer
    x = 3,908.87

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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.