Home / 4,058.60-6,091.74-2,112.20

Finding the Fourth Proportional to 4,058.60, 6,091.74 and 2,112.20

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Solution

The fourth proportional to 4,058.60, 6,091.74 and 2,112.20 is: 3,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,058.60 : 6,091.74 = 2,112.20 : x
  2. Step 2: Convert to fraction form
    4,058.60/6,091.74 = 2,112.20/x
  3. Step 3: Cross multiply
    4,058.60x = 6,091.74 × 2,112.20
  4. Step 4: Simplify right side
    4,058.60x = 12,866,973.23
  5. Step 5: Solve for x
    x = 12,866,973.23/4,058.60
  6. Step 6: Final answer
    x = 3,170.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.