Home / 2,146.22-3,191.08-2,058.74

Finding the Fourth Proportional to 2,146.22, 3,191.08 and 2,058.74

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Solution

The fourth proportional to 2,146.22, 3,191.08 and 2,058.74 is: 3,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.22 : 3,191.08 = 2,058.74 : x
  2. Step 2: Convert to fraction form
    2,146.22/3,191.08 = 2,058.74/x
  3. Step 3: Cross multiply
    2,146.22x = 3,191.08 × 2,058.74
  4. Step 4: Simplify right side
    2,146.22x = 6,569,604.04
  5. Step 5: Solve for x
    x = 6,569,604.04/2,146.22
  6. Step 6: Final answer
    x = 3,061.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.