Home / 6,740.27-10,112.37-3,455.65

Finding the Fourth Proportional to 6,740.27, 10,112.37 and 3,455.65

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Solution

The fourth proportional to 6,740.27, 10,112.37 and 3,455.65 is: 5,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.27 : 10,112.37 = 3,455.65 : x
  2. Step 2: Convert to fraction form
    6,740.27/10,112.37 = 3,455.65/x
  3. Step 3: Cross multiply
    6,740.27x = 10,112.37 × 3,455.65
  4. Step 4: Simplify right side
    6,740.27x = 34,944,786.11
  5. Step 5: Solve for x
    x = 34,944,786.11/6,740.27
  6. Step 6: Final answer
    x = 5,184.48

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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.