Home / 4,772.96-7,148.88-3,669.20

Finding the Fourth Proportional to 4,772.96, 7,148.88 and 3,669.20

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Solution

The fourth proportional to 4,772.96, 7,148.88 and 3,669.20 is: 5,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.96 : 7,148.88 = 3,669.20 : x
  2. Step 2: Convert to fraction form
    4,772.96/7,148.88 = 3,669.20/x
  3. Step 3: Cross multiply
    4,772.96x = 7,148.88 × 3,669.20
  4. Step 4: Simplify right side
    4,772.96x = 26,230,670.50
  5. Step 5: Solve for x
    x = 26,230,670.50/4,772.96
  6. Step 6: Final answer
    x = 5,495.68

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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.