Home / 7,042.36-10,566.39-2,661.07

Finding the Fourth Proportional to 7,042.36, 10,566.39 and 2,661.07

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Solution

The fourth proportional to 7,042.36, 10,566.39 and 2,661.07 is: 3,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.36 : 10,566.39 = 2,661.07 : x
  2. Step 2: Convert to fraction form
    7,042.36/10,566.39 = 2,661.07/x
  3. Step 3: Cross multiply
    7,042.36x = 10,566.39 × 2,661.07
  4. Step 4: Simplify right side
    7,042.36x = 28,117,903.44
  5. Step 5: Solve for x
    x = 28,117,903.44/7,042.36
  6. Step 6: Final answer
    x = 3,992.68

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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.