Home / 1,726.12-2,382.40-1,063.52

Finding the Fourth Proportional to 1,726.12, 2,382.40 and 1,063.52

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Solution

The fourth proportional to 1,726.12, 2,382.40 and 1,063.52 is: 1,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.12 : 2,382.40 = 1,063.52 : x
  2. Step 2: Convert to fraction form
    1,726.12/2,382.40 = 1,063.52/x
  3. Step 3: Cross multiply
    1,726.12x = 2,382.40 × 1,063.52
  4. Step 4: Simplify right side
    1,726.12x = 2,533,730.05
  5. Step 5: Solve for x
    x = 2,533,730.05/1,726.12
  6. Step 6: Final answer
    x = 1,467.88

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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.