Home / 5,819.87-8,030.36-3,802.75

Finding the Fourth Proportional to 5,819.87, 8,030.36 and 3,802.75

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Solution

The fourth proportional to 5,819.87, 8,030.36 and 3,802.75 is: 5,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.87 : 8,030.36 = 3,802.75 : x
  2. Step 2: Convert to fraction form
    5,819.87/8,030.36 = 3,802.75/x
  3. Step 3: Cross multiply
    5,819.87x = 8,030.36 × 3,802.75
  4. Step 4: Simplify right side
    5,819.87x = 30,537,486.09
  5. Step 5: Solve for x
    x = 30,537,486.09/5,819.87
  6. Step 6: Final answer
    x = 5,247.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.