Home / 2,429.92-3,353.21-1,367.74

Finding the Fourth Proportional to 2,429.92, 3,353.21 and 1,367.74

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Solution

The fourth proportional to 2,429.92, 3,353.21 and 1,367.74 is: 1,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.92 : 3,353.21 = 1,367.74 : x
  2. Step 2: Convert to fraction form
    2,429.92/3,353.21 = 1,367.74/x
  3. Step 3: Cross multiply
    2,429.92x = 3,353.21 × 1,367.74
  4. Step 4: Simplify right side
    2,429.92x = 4,586,312.61
  5. Step 5: Solve for x
    x = 4,586,312.61/2,429.92
  6. Step 6: Final answer
    x = 1,887.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.