Home / 1,776.04-2,450.94-1,077.28

Finding the Fourth Proportional to 1,776.04, 2,450.94 and 1,077.28

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Solution

The fourth proportional to 1,776.04, 2,450.94 and 1,077.28 is: 1,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.04 : 2,450.94 = 1,077.28 : x
  2. Step 2: Convert to fraction form
    1,776.04/2,450.94 = 1,077.28/x
  3. Step 3: Cross multiply
    1,776.04x = 2,450.94 × 1,077.28
  4. Step 4: Simplify right side
    1,776.04x = 2,640,348.64
  5. Step 5: Solve for x
    x = 2,640,348.64/1,776.04
  6. Step 6: Final answer
    x = 1,486.65

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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.