Home / 3,058.22-4,220.39-1,660.97

Finding the Fourth Proportional to 3,058.22, 4,220.39 and 1,660.97

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Solution

The fourth proportional to 3,058.22, 4,220.39 and 1,660.97 is: 2,292.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.22 : 4,220.39 = 1,660.97 : x
  2. Step 2: Convert to fraction form
    3,058.22/4,220.39 = 1,660.97/x
  3. Step 3: Cross multiply
    3,058.22x = 4,220.39 × 1,660.97
  4. Step 4: Simplify right side
    3,058.22x = 7,009,941.18
  5. Step 5: Solve for x
    x = 7,009,941.18/3,058.22
  6. Step 6: Final answer
    x = 2,292.16

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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.