Home / 1,986.14-2,979.63-599.49

Finding the Fourth Proportional to 1,986.14, 2,979.63 and 599.49

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Solution

The fourth proportional to 1,986.14, 2,979.63 and 599.49 is: 899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986.14 : 2,979.63 = 599.49 : x
  2. Step 2: Convert to fraction form
    1,986.14/2,979.63 = 599.49/x
  3. Step 3: Cross multiply
    1,986.14x = 2,979.63 × 599.49
  4. Step 4: Simplify right side
    1,986.14x = 1,786,258.39
  5. Step 5: Solve for x
    x = 1,786,258.39/1,986.14
  6. Step 6: Final answer
    x = 899.36

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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.