Home / 1,943.11-2,929.31-1,817.83

Finding the Fourth Proportional to 1,943.11, 2,929.31 and 1,817.83

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Solution

The fourth proportional to 1,943.11, 2,929.31 and 1,817.83 is: 2,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.11 : 2,929.31 = 1,817.83 : x
  2. Step 2: Convert to fraction form
    1,943.11/2,929.31 = 1,817.83/x
  3. Step 3: Cross multiply
    1,943.11x = 2,929.31 × 1,817.83
  4. Step 4: Simplify right side
    1,943.11x = 5,324,987.60
  5. Step 5: Solve for x
    x = 5,324,987.60/1,943.11
  6. Step 6: Final answer
    x = 2,740.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.