Home / 5,424.52-8,127.44-3,665.64

Finding the Fourth Proportional to 5,424.52, 8,127.44 and 3,665.64

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Solution

The fourth proportional to 5,424.52, 8,127.44 and 3,665.64 is: 5,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.52 : 8,127.44 = 3,665.64 : x
  2. Step 2: Convert to fraction form
    5,424.52/8,127.44 = 3,665.64/x
  3. Step 3: Cross multiply
    5,424.52x = 8,127.44 × 3,665.64
  4. Step 4: Simplify right side
    5,424.52x = 29,792,269.16
  5. Step 5: Solve for x
    x = 29,792,269.16/5,424.52
  6. Step 6: Final answer
    x = 5,492.15

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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.