Home / 3,058.82-4,588.31-979.04

Finding the Fourth Proportional to 3,058.82, 4,588.31 and 979.04

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Solution

The fourth proportional to 3,058.82, 4,588.31 and 979.04 is: 1,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.82 : 4,588.31 = 979.04 : x
  2. Step 2: Convert to fraction form
    3,058.82/4,588.31 = 979.04/x
  3. Step 3: Cross multiply
    3,058.82x = 4,588.31 × 979.04
  4. Step 4: Simplify right side
    3,058.82x = 4,492,111.19
  5. Step 5: Solve for x
    x = 4,492,111.19/3,058.82
  6. Step 6: Final answer
    x = 1,468.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.