Home / 3,030.69-4,182.78-1,704.48

Finding the Fourth Proportional to 3,030.69, 4,182.78 and 1,704.48

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Solution

The fourth proportional to 3,030.69, 4,182.78 and 1,704.48 is: 2,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.69 : 4,182.78 = 1,704.48 : x
  2. Step 2: Convert to fraction form
    3,030.69/4,182.78 = 1,704.48/x
  3. Step 3: Cross multiply
    3,030.69x = 4,182.78 × 1,704.48
  4. Step 4: Simplify right side
    3,030.69x = 7,129,464.85
  5. Step 5: Solve for x
    x = 7,129,464.85/3,030.69
  6. Step 6: Final answer
    x = 2,352.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.