Home / 2,732.49-3,769.70-1,788.51

Finding the Fourth Proportional to 2,732.49, 3,769.70 and 1,788.51

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Solution

The fourth proportional to 2,732.49, 3,769.70 and 1,788.51 is: 2,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.49 : 3,769.70 = 1,788.51 : x
  2. Step 2: Convert to fraction form
    2,732.49/3,769.70 = 1,788.51/x
  3. Step 3: Cross multiply
    2,732.49x = 3,769.70 × 1,788.51
  4. Step 4: Simplify right side
    2,732.49x = 6,742,137.20
  5. Step 5: Solve for x
    x = 6,742,137.20/2,732.49
  6. Step 6: Final answer
    x = 2,467.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.