Home / 1,776.97-2,452.85-1,171.36

Finding the Fourth Proportional to 1,776.97, 2,452.85 and 1,171.36

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Solution

The fourth proportional to 1,776.97, 2,452.85 and 1,171.36 is: 1,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.97 : 2,452.85 = 1,171.36 : x
  2. Step 2: Convert to fraction form
    1,776.97/2,452.85 = 1,171.36/x
  3. Step 3: Cross multiply
    1,776.97x = 2,452.85 × 1,171.36
  4. Step 4: Simplify right side
    1,776.97x = 2,873,170.38
  5. Step 5: Solve for x
    x = 2,873,170.38/1,776.97
  6. Step 6: Final answer
    x = 1,616.89

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1.5x scale

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.