Home / 2,834.12-4,252.10-1,191.12

Finding the Fourth Proportional to 2,834.12, 4,252.10 and 1,191.12

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Solution

The fourth proportional to 2,834.12, 4,252.10 and 1,191.12 is: 1,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.12 : 4,252.10 = 1,191.12 : x
  2. Step 2: Convert to fraction form
    2,834.12/4,252.10 = 1,191.12/x
  3. Step 3: Cross multiply
    2,834.12x = 4,252.10 × 1,191.12
  4. Step 4: Simplify right side
    2,834.12x = 5,064,755.40
  5. Step 5: Solve for x
    x = 5,064,755.40/2,834.12
  6. Step 6: Final answer
    x = 1,787.07

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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.