Home / 4,849.64-7,275.68-1,928.18

Finding the Fourth Proportional to 4,849.64, 7,275.68 and 1,928.18

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Solution

The fourth proportional to 4,849.64, 7,275.68 and 1,928.18 is: 2,892.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.64 : 7,275.68 = 1,928.18 : x
  2. Step 2: Convert to fraction form
    4,849.64/7,275.68 = 1,928.18/x
  3. Step 3: Cross multiply
    4,849.64x = 7,275.68 × 1,928.18
  4. Step 4: Simplify right side
    4,849.64x = 14,028,820.66
  5. Step 5: Solve for x
    x = 14,028,820.66/4,849.64
  6. Step 6: Final answer
    x = 2,892.76

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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.