Home / 1,574.25-2,167.19-1,180.59

Finding the Fourth Proportional to 1,574.25, 2,167.19 and 1,180.59

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Solution

The fourth proportional to 1,574.25, 2,167.19 and 1,180.59 is: 1,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.25 : 2,167.19 = 1,180.59 : x
  2. Step 2: Convert to fraction form
    1,574.25/2,167.19 = 1,180.59/x
  3. Step 3: Cross multiply
    1,574.25x = 2,167.19 × 1,180.59
  4. Step 4: Simplify right side
    1,574.25x = 2,558,546.10
  5. Step 5: Solve for x
    x = 2,558,546.10/1,574.25
  6. Step 6: Final answer
    x = 1,625.25

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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.