Home / 3,058.14-4,220.15-1,731.97

Finding the Fourth Proportional to 3,058.14, 4,220.15 and 1,731.97

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Solution

The fourth proportional to 3,058.14, 4,220.15 and 1,731.97 is: 2,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.14 : 4,220.15 = 1,731.97 : x
  2. Step 2: Convert to fraction form
    3,058.14/4,220.15 = 1,731.97/x
  3. Step 3: Cross multiply
    3,058.14x = 4,220.15 × 1,731.97
  4. Step 4: Simplify right side
    3,058.14x = 7,309,143.43
  5. Step 5: Solve for x
    x = 7,309,143.43/3,058.14
  6. Step 6: Final answer
    x = 2,390.07

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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.