Home / 2,306.64-3,183.23-1,312.08

Finding the Fourth Proportional to 2,306.64, 3,183.23 and 1,312.08

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Solution

The fourth proportional to 2,306.64, 3,183.23 and 1,312.08 is: 1,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.64 : 3,183.23 = 1,312.08 : x
  2. Step 2: Convert to fraction form
    2,306.64/3,183.23 = 1,312.08/x
  3. Step 3: Cross multiply
    2,306.64x = 3,183.23 × 1,312.08
  4. Step 4: Simplify right side
    2,306.64x = 4,176,645.86
  5. Step 5: Solve for x
    x = 4,176,645.86/2,306.64
  6. Step 6: Final answer
    x = 1,810.71

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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.