Home / 7,190.37-10,767.20-5,731.65

Finding the Fourth Proportional to 7,190.37, 10,767.20 and 5,731.65

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Solution

The fourth proportional to 7,190.37, 10,767.20 and 5,731.65 is: 8,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.37 : 10,767.20 = 5,731.65 : x
  2. Step 2: Convert to fraction form
    7,190.37/10,767.20 = 5,731.65/x
  3. Step 3: Cross multiply
    7,190.37x = 10,767.20 × 5,731.65
  4. Step 4: Simplify right side
    7,190.37x = 61,713,793.22
  5. Step 5: Solve for x
    x = 61,713,793.22/7,190.37
  6. Step 6: Final answer
    x = 8,582.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.