Home / 1,932.45-2,666.78-1,048.25

Finding the Fourth Proportional to 1,932.45, 2,666.78 and 1,048.25

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Solution

The fourth proportional to 1,932.45, 2,666.78 and 1,048.25 is: 1,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.45 : 2,666.78 = 1,048.25 : x
  2. Step 2: Convert to fraction form
    1,932.45/2,666.78 = 1,048.25/x
  3. Step 3: Cross multiply
    1,932.45x = 2,666.78 × 1,048.25
  4. Step 4: Simplify right side
    1,932.45x = 2,795,452.14
  5. Step 5: Solve for x
    x = 2,795,452.14/1,932.45
  6. Step 6: Final answer
    x = 1,446.58

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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.