Home / 5,110.54-7,665.04-1,411.97

Finding the Fourth Proportional to 5,110.54, 7,665.04 and 1,411.97

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Solution

The fourth proportional to 5,110.54, 7,665.04 and 1,411.97 is: 2,117.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.54 : 7,665.04 = 1,411.97 : x
  2. Step 2: Convert to fraction form
    5,110.54/7,665.04 = 1,411.97/x
  3. Step 3: Cross multiply
    5,110.54x = 7,665.04 × 1,411.97
  4. Step 4: Simplify right side
    5,110.54x = 10,822,822.16
  5. Step 5: Solve for x
    x = 10,822,822.16/5,110.54
  6. Step 6: Final answer
    x = 2,117.75

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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.