Home / 3,098.28-4,644.54-2,124.84

Finding the Fourth Proportional to 3,098.28, 4,644.54 and 2,124.84

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Solution

The fourth proportional to 3,098.28, 4,644.54 and 2,124.84 is: 3,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.28 : 4,644.54 = 2,124.84 : x
  2. Step 2: Convert to fraction form
    3,098.28/4,644.54 = 2,124.84/x
  3. Step 3: Cross multiply
    3,098.28x = 4,644.54 × 2,124.84
  4. Step 4: Simplify right side
    3,098.28x = 9,868,904.37
  5. Step 5: Solve for x
    x = 9,868,904.37/3,098.28
  6. Step 6: Final answer
    x = 3,185.28

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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.