Home / 4,921.99-7,386.52-2,422.63

Finding the Fourth Proportional to 4,921.99, 7,386.52 and 2,422.63

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Solution

The fourth proportional to 4,921.99, 7,386.52 and 2,422.63 is: 3,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.99 : 7,386.52 = 2,422.63 : x
  2. Step 2: Convert to fraction form
    4,921.99/7,386.52 = 2,422.63/x
  3. Step 3: Cross multiply
    4,921.99x = 7,386.52 × 2,422.63
  4. Step 4: Simplify right side
    4,921.99x = 17,894,780.42
  5. Step 5: Solve for x
    x = 17,894,780.42/4,921.99
  6. Step 6: Final answer
    x = 3,635.68

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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.