Home / 1,776.87-2,451.36-1,179.65

Finding the Fourth Proportional to 1,776.87, 2,451.36 and 1,179.65

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Solution

The fourth proportional to 1,776.87, 2,451.36 and 1,179.65 is: 1,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.87 : 2,451.36 = 1,179.65 : x
  2. Step 2: Convert to fraction form
    1,776.87/2,451.36 = 1,179.65/x
  3. Step 3: Cross multiply
    1,776.87x = 2,451.36 × 1,179.65
  4. Step 4: Simplify right side
    1,776.87x = 2,891,757.38
  5. Step 5: Solve for x
    x = 2,891,757.38/1,776.87
  6. Step 6: Final answer
    x = 1,627.44

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Half scale
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Double scale
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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.