Home / 4,974.28-7,461.78-1,511.52

Finding the Fourth Proportional to 4,974.28, 7,461.78 and 1,511.52

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Solution

The fourth proportional to 4,974.28, 7,461.78 and 1,511.52 is: 2,267.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.28 : 7,461.78 = 1,511.52 : x
  2. Step 2: Convert to fraction form
    4,974.28/7,461.78 = 1,511.52/x
  3. Step 3: Cross multiply
    4,974.28x = 7,461.78 × 1,511.52
  4. Step 4: Simplify right side
    4,974.28x = 11,278,629.71
  5. Step 5: Solve for x
    x = 11,278,629.71/4,974.28
  6. Step 6: Final answer
    x = 2,267.39

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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.