Home / 5,154.33-7,730.60-2,380.77

Finding the Fourth Proportional to 5,154.33, 7,730.60 and 2,380.77

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Solution

The fourth proportional to 5,154.33, 7,730.60 and 2,380.77 is: 3,570.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.33 : 7,730.60 = 2,380.77 : x
  2. Step 2: Convert to fraction form
    5,154.33/7,730.60 = 2,380.77/x
  3. Step 3: Cross multiply
    5,154.33x = 7,730.60 × 2,380.77
  4. Step 4: Simplify right side
    5,154.33x = 18,404,780.56
  5. Step 5: Solve for x
    x = 18,404,780.56/5,154.33
  6. Step 6: Final answer
    x = 3,570.74

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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.