Home / 6,928.74-10,395.41-3,421.24

Finding the Fourth Proportional to 6,928.74, 10,395.41 and 3,421.24

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Solution

The fourth proportional to 6,928.74, 10,395.41 and 3,421.24 is: 5,132.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.74 : 10,395.41 = 3,421.24 : x
  2. Step 2: Convert to fraction form
    6,928.74/10,395.41 = 3,421.24/x
  3. Step 3: Cross multiply
    6,928.74x = 10,395.41 × 3,421.24
  4. Step 4: Simplify right side
    6,928.74x = 35,565,149.41
  5. Step 5: Solve for x
    x = 35,565,149.41/6,928.74
  6. Step 6: Final answer
    x = 5,132.99

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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.