Home / 5,155.18-7,732.62-2,962.36

Finding the Fourth Proportional to 5,155.18, 7,732.62 and 2,962.36

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Solution

The fourth proportional to 5,155.18, 7,732.62 and 2,962.36 is: 4,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.18 : 7,732.62 = 2,962.36 : x
  2. Step 2: Convert to fraction form
    5,155.18/7,732.62 = 2,962.36/x
  3. Step 3: Cross multiply
    5,155.18x = 7,732.62 × 2,962.36
  4. Step 4: Simplify right side
    5,155.18x = 22,906,804.18
  5. Step 5: Solve for x
    x = 22,906,804.18/5,155.18
  6. Step 6: Final answer
    x = 4,443.45

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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.