Home / 5,464.85-7,540.88-3,074.36

Finding the Fourth Proportional to 5,464.85, 7,540.88 and 3,074.36

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Solution

The fourth proportional to 5,464.85, 7,540.88 and 3,074.36 is: 4,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.85 : 7,540.88 = 3,074.36 : x
  2. Step 2: Convert to fraction form
    5,464.85/7,540.88 = 3,074.36/x
  3. Step 3: Cross multiply
    5,464.85x = 7,540.88 × 3,074.36
  4. Step 4: Simplify right side
    5,464.85x = 23,183,326.76
  5. Step 5: Solve for x
    x = 23,183,326.76/5,464.85
  6. Step 6: Final answer
    x = 4,242.27

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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.