Home / 6,767.40-10,148.41-2,605.10

Finding the Fourth Proportional to 6,767.40, 10,148.41 and 2,605.10

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Solution

The fourth proportional to 6,767.40, 10,148.41 and 2,605.10 is: 3,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,767.40 : 10,148.41 = 2,605.10 : x
  2. Step 2: Convert to fraction form
    6,767.40/10,148.41 = 2,605.10/x
  3. Step 3: Cross multiply
    6,767.40x = 10,148.41 × 2,605.10
  4. Step 4: Simplify right side
    6,767.40x = 26,437,609.87
  5. Step 5: Solve for x
    x = 26,437,609.87/6,767.40
  6. Step 6: Final answer
    x = 3,906.61

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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.