Home / 1,726.76-2,382.54-1,448.12

Finding the Fourth Proportional to 1,726.76, 2,382.54 and 1,448.12

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Solution

The fourth proportional to 1,726.76, 2,382.54 and 1,448.12 is: 1,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.76 : 2,382.54 = 1,448.12 : x
  2. Step 2: Convert to fraction form
    1,726.76/2,382.54 = 1,448.12/x
  3. Step 3: Cross multiply
    1,726.76x = 2,382.54 × 1,448.12
  4. Step 4: Simplify right side
    1,726.76x = 3,450,203.82
  5. Step 5: Solve for x
    x = 3,450,203.82/1,726.76
  6. Step 6: Final answer
    x = 1,998.08

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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.