Home / 1,874.88-2,588.42-1,246.28

Finding the Fourth Proportional to 1,874.88, 2,588.42 and 1,246.28

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Solution

The fourth proportional to 1,874.88, 2,588.42 and 1,246.28 is: 1,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.88 : 2,588.42 = 1,246.28 : x
  2. Step 2: Convert to fraction form
    1,874.88/2,588.42 = 1,246.28/x
  3. Step 3: Cross multiply
    1,874.88x = 2,588.42 × 1,246.28
  4. Step 4: Simplify right side
    1,874.88x = 3,225,886.25
  5. Step 5: Solve for x
    x = 3,225,886.25/1,874.88
  6. Step 6: Final answer
    x = 1,720.58

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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.