Home / 4,742.60-7,105.36-2,793.74

Finding the Fourth Proportional to 4,742.60, 7,105.36 and 2,793.74

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Solution

The fourth proportional to 4,742.60, 7,105.36 and 2,793.74 is: 4,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.60 : 7,105.36 = 2,793.74 : x
  2. Step 2: Convert to fraction form
    4,742.60/7,105.36 = 2,793.74/x
  3. Step 3: Cross multiply
    4,742.60x = 7,105.36 × 2,793.74
  4. Step 4: Simplify right side
    4,742.60x = 19,850,528.45
  5. Step 5: Solve for x
    x = 19,850,528.45/4,742.60
  6. Step 6: Final answer
    x = 4,185.58

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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.