Home / 3,074.58-4,243.38-1,880.27

Finding the Fourth Proportional to 3,074.58, 4,243.38 and 1,880.27

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Solution

The fourth proportional to 3,074.58, 4,243.38 and 1,880.27 is: 2,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.58 : 4,243.38 = 1,880.27 : x
  2. Step 2: Convert to fraction form
    3,074.58/4,243.38 = 1,880.27/x
  3. Step 3: Cross multiply
    3,074.58x = 4,243.38 × 1,880.27
  4. Step 4: Simplify right side
    3,074.58x = 7,978,700.11
  5. Step 5: Solve for x
    x = 7,978,700.11/3,074.58
  6. Step 6: Final answer
    x = 2,595.05

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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.