Home / 5,315.76-7,336.66-3,079.01

Finding the Fourth Proportional to 5,315.76, 7,336.66 and 3,079.01

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Solution

The fourth proportional to 5,315.76, 7,336.66 and 3,079.01 is: 4,249.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.76 : 7,336.66 = 3,079.01 : x
  2. Step 2: Convert to fraction form
    5,315.76/7,336.66 = 3,079.01/x
  3. Step 3: Cross multiply
    5,315.76x = 7,336.66 × 3,079.01
  4. Step 4: Simplify right side
    5,315.76x = 22,589,665.92
  5. Step 5: Solve for x
    x = 22,589,665.92/5,315.76
  6. Step 6: Final answer
    x = 4,249.56

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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.