Home / 4,927.14-6,799.40-2,689.06

Finding the Fourth Proportional to 4,927.14, 6,799.40 and 2,689.06

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Solution

The fourth proportional to 4,927.14, 6,799.40 and 2,689.06 is: 3,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.14 : 6,799.40 = 2,689.06 : x
  2. Step 2: Convert to fraction form
    4,927.14/6,799.40 = 2,689.06/x
  3. Step 3: Cross multiply
    4,927.14x = 6,799.40 × 2,689.06
  4. Step 4: Simplify right side
    4,927.14x = 18,283,947.12
  5. Step 5: Solve for x
    x = 18,283,947.12/4,927.14
  6. Step 6: Final answer
    x = 3,710.86

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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.