Home / 3,324.79-4,986.64-1,015.75

Finding the Fourth Proportional to 3,324.79, 4,986.64 and 1,015.75

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Solution

The fourth proportional to 3,324.79, 4,986.64 and 1,015.75 is: 1,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.79 : 4,986.64 = 1,015.75 : x
  2. Step 2: Convert to fraction form
    3,324.79/4,986.64 = 1,015.75/x
  3. Step 3: Cross multiply
    3,324.79x = 4,986.64 × 1,015.75
  4. Step 4: Simplify right side
    3,324.79x = 5,065,179.58
  5. Step 5: Solve for x
    x = 5,065,179.58/3,324.79
  6. Step 6: Final answer
    x = 1,523.46

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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.