Home / 6,072.09-9,108.15-1,689.56

Finding the Fourth Proportional to 6,072.09, 9,108.15 and 1,689.56

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Solution

The fourth proportional to 6,072.09, 9,108.15 and 1,689.56 is: 2,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.09 : 9,108.15 = 1,689.56 : x
  2. Step 2: Convert to fraction form
    6,072.09/9,108.15 = 1,689.56/x
  3. Step 3: Cross multiply
    6,072.09x = 9,108.15 × 1,689.56
  4. Step 4: Simplify right side
    6,072.09x = 15,388,720.37
  5. Step 5: Solve for x
    x = 15,388,720.37/6,072.09
  6. Step 6: Final answer
    x = 2,534.34

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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.