Home / 6,331.92-9,491.40-3,045.60

Finding the Fourth Proportional to 6,331.92, 9,491.40 and 3,045.60

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Solution

The fourth proportional to 6,331.92, 9,491.40 and 3,045.60 is: 4,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.92 : 9,491.40 = 3,045.60 : x
  2. Step 2: Convert to fraction form
    6,331.92/9,491.40 = 3,045.60/x
  3. Step 3: Cross multiply
    6,331.92x = 9,491.40 × 3,045.60
  4. Step 4: Simplify right side
    6,331.92x = 28,907,007.84
  5. Step 5: Solve for x
    x = 28,907,007.84/6,331.92
  6. Step 6: Final answer
    x = 4,565.28

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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.