Home / 5,857.49-8,786.69-1,697.56

Finding the Fourth Proportional to 5,857.49, 8,786.69 and 1,697.56

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Solution

The fourth proportional to 5,857.49, 8,786.69 and 1,697.56 is: 2,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.49 : 8,786.69 = 1,697.56 : x
  2. Step 2: Convert to fraction form
    5,857.49/8,786.69 = 1,697.56/x
  3. Step 3: Cross multiply
    5,857.49x = 8,786.69 × 1,697.56
  4. Step 4: Simplify right side
    5,857.49x = 14,915,909.39
  5. Step 5: Solve for x
    x = 14,915,909.39/5,857.49
  6. Step 6: Final answer
    x = 2,546.47

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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.