Home / 10,057.48-15,087.64-3,819.80

Finding the Fourth Proportional to 10,057.48, 15,087.64 and 3,819.80

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Solution

The fourth proportional to 10,057.48, 15,087.64 and 3,819.80 is: 5,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.48 : 15,087.64 = 3,819.80 : x
  2. Step 2: Convert to fraction form
    10,057.48/15,087.64 = 3,819.80/x
  3. Step 3: Cross multiply
    10,057.48x = 15,087.64 × 3,819.80
  4. Step 4: Simplify right side
    10,057.48x = 57,631,767.27
  5. Step 5: Solve for x
    x = 57,631,767.27/10,057.48
  6. Step 6: Final answer
    x = 5,730.24

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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.