Home / 6,118.78-9,178.26-1,736.25

Finding the Fourth Proportional to 6,118.78, 9,178.26 and 1,736.25

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Solution

The fourth proportional to 6,118.78, 9,178.26 and 1,736.25 is: 2,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.78 : 9,178.26 = 1,736.25 : x
  2. Step 2: Convert to fraction form
    6,118.78/9,178.26 = 1,736.25/x
  3. Step 3: Cross multiply
    6,118.78x = 9,178.26 × 1,736.25
  4. Step 4: Simplify right side
    6,118.78x = 15,935,753.93
  5. Step 5: Solve for x
    x = 15,935,753.93/6,118.78
  6. Step 6: Final answer
    x = 2,604.40

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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.