Home / 3,058.98-4,221.48-1,732.88

Finding the Fourth Proportional to 3,058.98, 4,221.48 and 1,732.88

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Solution

The fourth proportional to 3,058.98, 4,221.48 and 1,732.88 is: 2,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.98 : 4,221.48 = 1,732.88 : x
  2. Step 2: Convert to fraction form
    3,058.98/4,221.48 = 1,732.88/x
  3. Step 3: Cross multiply
    3,058.98x = 4,221.48 × 1,732.88
  4. Step 4: Simplify right side
    3,058.98x = 7,315,297.16
  5. Step 5: Solve for x
    x = 7,315,297.16/3,058.98
  6. Step 6: Final answer
    x = 2,391.42

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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.