Home / 4,932.68-7,398.86-1,422.74

Finding the Fourth Proportional to 4,932.68, 7,398.86 and 1,422.74

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Solution

The fourth proportional to 4,932.68, 7,398.86 and 1,422.74 is: 2,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.68 : 7,398.86 = 1,422.74 : x
  2. Step 2: Convert to fraction form
    4,932.68/7,398.86 = 1,422.74/x
  3. Step 3: Cross multiply
    4,932.68x = 7,398.86 × 1,422.74
  4. Step 4: Simplify right side
    4,932.68x = 10,526,665.46
  5. Step 5: Solve for x
    x = 10,526,665.46/4,932.68
  6. Step 6: Final answer
    x = 2,134.07

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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.