Home / 7,441.20-10,268.78-4,084

Finding the Fourth Proportional to 7,441.20, 10,268.78 and 4,084

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Solution

The fourth proportional to 7,441.20, 10,268.78 and 4,084 is: 5,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.20 : 10,268.78 = 4,084 : x
  2. Step 2: Convert to fraction form
    7,441.20/10,268.78 = 4,084/x
  3. Step 3: Cross multiply
    7,441.20x = 10,268.78 × 4,084
  4. Step 4: Simplify right side
    7,441.20x = 41,937,697.52
  5. Step 5: Solve for x
    x = 41,937,697.52/7,441.20
  6. Step 6: Final answer
    x = 5,635.88

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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.