Home / 2,353.24-3,247.52-1,291.11

Finding the Fourth Proportional to 2,353.24, 3,247.52 and 1,291.11

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Solution

The fourth proportional to 2,353.24, 3,247.52 and 1,291.11 is: 1,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.24 : 3,247.52 = 1,291.11 : x
  2. Step 2: Convert to fraction form
    2,353.24/3,247.52 = 1,291.11/x
  3. Step 3: Cross multiply
    2,353.24x = 3,247.52 × 1,291.11
  4. Step 4: Simplify right side
    2,353.24x = 4,192,882.85
  5. Step 5: Solve for x
    x = 4,192,882.85/2,353.24
  6. Step 6: Final answer
    x = 1,781.75

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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.