Home / 2,301.30-3,174.12-1,416.78

Finding the Fourth Proportional to 2,301.30, 3,174.12 and 1,416.78

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Solution

The fourth proportional to 2,301.30, 3,174.12 and 1,416.78 is: 1,954.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.30 : 3,174.12 = 1,416.78 : x
  2. Step 2: Convert to fraction form
    2,301.30/3,174.12 = 1,416.78/x
  3. Step 3: Cross multiply
    2,301.30x = 3,174.12 × 1,416.78
  4. Step 4: Simplify right side
    2,301.30x = 4,497,029.73
  5. Step 5: Solve for x
    x = 4,497,029.73/2,301.30
  6. Step 6: Final answer
    x = 1,954.13

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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.