Home / 2,348.12-3,239.92-1,353.14

Finding the Fourth Proportional to 2,348.12, 3,239.92 and 1,353.14

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Solution

The fourth proportional to 2,348.12, 3,239.92 and 1,353.14 is: 1,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.12 : 3,239.92 = 1,353.14 : x
  2. Step 2: Convert to fraction form
    2,348.12/3,239.92 = 1,353.14/x
  3. Step 3: Cross multiply
    2,348.12x = 3,239.92 × 1,353.14
  4. Step 4: Simplify right side
    2,348.12x = 4,384,042.38
  5. Step 5: Solve for x
    x = 4,384,042.38/2,348.12
  6. Step 6: Final answer
    x = 1,867.05

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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.