Home / 4,921.02-7,382.46-1,634.30

Finding the Fourth Proportional to 4,921.02, 7,382.46 and 1,634.30

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Solution

The fourth proportional to 4,921.02, 7,382.46 and 1,634.30 is: 2,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.02 : 7,382.46 = 1,634.30 : x
  2. Step 2: Convert to fraction form
    4,921.02/7,382.46 = 1,634.30/x
  3. Step 3: Cross multiply
    4,921.02x = 7,382.46 × 1,634.30
  4. Step 4: Simplify right side
    4,921.02x = 12,065,154.38
  5. Step 5: Solve for x
    x = 12,065,154.38/4,921.02
  6. Step 6: Final answer
    x = 2,451.76

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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.