Home / 4,862.74-7,279.02-3,930.52

Finding the Fourth Proportional to 4,862.74, 7,279.02 and 3,930.52

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Solution

The fourth proportional to 4,862.74, 7,279.02 and 3,930.52 is: 5,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.74 : 7,279.02 = 3,930.52 : x
  2. Step 2: Convert to fraction form
    4,862.74/7,279.02 = 3,930.52/x
  3. Step 3: Cross multiply
    4,862.74x = 7,279.02 × 3,930.52
  4. Step 4: Simplify right side
    4,862.74x = 28,610,333.69
  5. Step 5: Solve for x
    x = 28,610,333.69/4,862.74
  6. Step 6: Final answer
    x = 5,883.58

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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.