Home / 3,058.10-4,220.27-1,731.99

Finding the Fourth Proportional to 3,058.10, 4,220.27 and 1,731.99

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Solution

The fourth proportional to 3,058.10, 4,220.27 and 1,731.99 is: 2,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.10 : 4,220.27 = 1,731.99 : x
  2. Step 2: Convert to fraction form
    3,058.10/4,220.27 = 1,731.99/x
  3. Step 3: Cross multiply
    3,058.10x = 4,220.27 × 1,731.99
  4. Step 4: Simplify right side
    3,058.10x = 7,309,465.44
  5. Step 5: Solve for x
    x = 7,309,465.44/3,058.10
  6. Step 6: Final answer
    x = 2,390.20

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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.