Home / 5,819.13-8,030.40-3,166.56

Finding the Fourth Proportional to 5,819.13, 8,030.40 and 3,166.56

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Solution

The fourth proportional to 5,819.13, 8,030.40 and 3,166.56 is: 4,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.13 : 8,030.40 = 3,166.56 : x
  2. Step 2: Convert to fraction form
    5,819.13/8,030.40 = 3,166.56/x
  3. Step 3: Cross multiply
    5,819.13x = 8,030.40 × 3,166.56
  4. Step 4: Simplify right side
    5,819.13x = 25,428,753.81
  5. Step 5: Solve for x
    x = 25,428,753.81/5,819.13
  6. Step 6: Final answer
    x = 4,369.85

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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.