Home / 3,058.27-4,220.10-1,731.91

Finding the Fourth Proportional to 3,058.27, 4,220.10 and 1,731.91

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Solution

The fourth proportional to 3,058.27, 4,220.10 and 1,731.91 is: 2,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.27 : 4,220.10 = 1,731.91 : x
  2. Step 2: Convert to fraction form
    3,058.27/4,220.10 = 1,731.91/x
  3. Step 3: Cross multiply
    3,058.27x = 4,220.10 × 1,731.91
  4. Step 4: Simplify right side
    3,058.27x = 7,308,833.39
  5. Step 5: Solve for x
    x = 7,308,833.39/3,058.27
  6. Step 6: Final answer
    x = 2,389.86

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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.