Home / 3,058.14-4,220.20-1,660.88

Finding the Fourth Proportional to 3,058.14, 4,220.20 and 1,660.88

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Solution

The fourth proportional to 3,058.14, 4,220.20 and 1,660.88 is: 2,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.14 : 4,220.20 = 1,660.88 : x
  2. Step 2: Convert to fraction form
    3,058.14/4,220.20 = 1,660.88/x
  3. Step 3: Cross multiply
    3,058.14x = 4,220.20 × 1,660.88
  4. Step 4: Simplify right side
    3,058.14x = 7,009,245.78
  5. Step 5: Solve for x
    x = 7,009,245.78/3,058.14
  6. Step 6: Final answer
    x = 2,292.00

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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.