Home / 7,458.46-11,180.39-3,079.60

Finding the Fourth Proportional to 7,458.46, 11,180.39 and 3,079.60

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Solution

The fourth proportional to 7,458.46, 11,180.39 and 3,079.60 is: 4,616.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.46 : 11,180.39 = 3,079.60 : x
  2. Step 2: Convert to fraction form
    7,458.46/11,180.39 = 3,079.60/x
  3. Step 3: Cross multiply
    7,458.46x = 11,180.39 × 3,079.60
  4. Step 4: Simplify right side
    7,458.46x = 34,431,129.04
  5. Step 5: Solve for x
    x = 34,431,129.04/7,458.46
  6. Step 6: Final answer
    x = 4,616.39

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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.