Home / 2,315.39-3,196.33-1,476.23

Finding the Fourth Proportional to 2,315.39, 3,196.33 and 1,476.23

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Solution

The fourth proportional to 2,315.39, 3,196.33 and 1,476.23 is: 2,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.39 : 3,196.33 = 1,476.23 : x
  2. Step 2: Convert to fraction form
    2,315.39/3,196.33 = 1,476.23/x
  3. Step 3: Cross multiply
    2,315.39x = 3,196.33 × 1,476.23
  4. Step 4: Simplify right side
    2,315.39x = 4,718,498.56
  5. Step 5: Solve for x
    x = 4,718,498.56/2,315.39
  6. Step 6: Final answer
    x = 2,037.89

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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.