Home / 2,353.33-3,247.68-1,291.19

Finding the Fourth Proportional to 2,353.33, 3,247.68 and 1,291.19

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Solution

The fourth proportional to 2,353.33, 3,247.68 and 1,291.19 is: 1,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.33 : 3,247.68 = 1,291.19 : x
  2. Step 2: Convert to fraction form
    2,353.33/3,247.68 = 1,291.19/x
  3. Step 3: Cross multiply
    2,353.33x = 3,247.68 × 1,291.19
  4. Step 4: Simplify right side
    2,353.33x = 4,193,371.94
  5. Step 5: Solve for x
    x = 4,193,371.94/2,353.33
  6. Step 6: Final answer
    x = 1,781.89

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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.