Home / 4,869.77-7,304.61-2,098.40

Finding the Fourth Proportional to 4,869.77, 7,304.61 and 2,098.40

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Solution

The fourth proportional to 4,869.77, 7,304.61 and 2,098.40 is: 3,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.77 : 7,304.61 = 2,098.40 : x
  2. Step 2: Convert to fraction form
    4,869.77/7,304.61 = 2,098.40/x
  3. Step 3: Cross multiply
    4,869.77x = 7,304.61 × 2,098.40
  4. Step 4: Simplify right side
    4,869.77x = 15,327,993.62
  5. Step 5: Solve for x
    x = 15,327,993.62/4,869.77
  6. Step 6: Final answer
    x = 3,147.58

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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.