Home / 4,819.56-7,228.70-1,357.08

Finding the Fourth Proportional to 4,819.56, 7,228.70 and 1,357.08

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Solution

The fourth proportional to 4,819.56, 7,228.70 and 1,357.08 is: 2,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.56 : 7,228.70 = 1,357.08 : x
  2. Step 2: Convert to fraction form
    4,819.56/7,228.70 = 1,357.08/x
  3. Step 3: Cross multiply
    4,819.56x = 7,228.70 × 1,357.08
  4. Step 4: Simplify right side
    4,819.56x = 9,809,924.20
  5. Step 5: Solve for x
    x = 9,809,924.20/4,819.56
  6. Step 6: Final answer
    x = 2,035.44

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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.