Home / 2,301.45-3,176.01-1,253.52

Finding the Fourth Proportional to 2,301.45, 3,176.01 and 1,253.52

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Solution

The fourth proportional to 2,301.45, 3,176.01 and 1,253.52 is: 1,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.45 : 3,176.01 = 1,253.52 : x
  2. Step 2: Convert to fraction form
    2,301.45/3,176.01 = 1,253.52/x
  3. Step 3: Cross multiply
    2,301.45x = 3,176.01 × 1,253.52
  4. Step 4: Simplify right side
    2,301.45x = 3,981,173.88
  5. Step 5: Solve for x
    x = 3,981,173.88/2,301.45
  6. Step 6: Final answer
    x = 1,729.85

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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.