Home / 1,764.39-2,433.99-1,174.17

Finding the Fourth Proportional to 1,764.39, 2,433.99 and 1,174.17

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Solution

The fourth proportional to 1,764.39, 2,433.99 and 1,174.17 is: 1,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.39 : 2,433.99 = 1,174.17 : x
  2. Step 2: Convert to fraction form
    1,764.39/2,433.99 = 1,174.17/x
  3. Step 3: Cross multiply
    1,764.39x = 2,433.99 × 1,174.17
  4. Step 4: Simplify right side
    1,764.39x = 2,857,918.04
  5. Step 5: Solve for x
    x = 2,857,918.04/1,764.39
  6. Step 6: Final answer
    x = 1,619.78

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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.