Home / 5,114.58-7,058.31-2,876.44

Finding the Fourth Proportional to 5,114.58, 7,058.31 and 2,876.44

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Solution

The fourth proportional to 5,114.58, 7,058.31 and 2,876.44 is: 3,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.58 : 7,058.31 = 2,876.44 : x
  2. Step 2: Convert to fraction form
    5,114.58/7,058.31 = 2,876.44/x
  3. Step 3: Cross multiply
    5,114.58x = 7,058.31 × 2,876.44
  4. Step 4: Simplify right side
    5,114.58x = 20,302,805.22
  5. Step 5: Solve for x
    x = 20,302,805.22/5,114.58
  6. Step 6: Final answer
    x = 3,969.59

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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.