Home / 5,043.26-6,959.30-2,805

Finding the Fourth Proportional to 5,043.26, 6,959.30 and 2,805

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Solution

The fourth proportional to 5,043.26, 6,959.30 and 2,805 is: 3,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.26 : 6,959.30 = 2,805 : x
  2. Step 2: Convert to fraction form
    5,043.26/6,959.30 = 2,805/x
  3. Step 3: Cross multiply
    5,043.26x = 6,959.30 × 2,805
  4. Step 4: Simplify right side
    5,043.26x = 19,520,822.48
  5. Step 5: Solve for x
    x = 19,520,822.48/5,043.26
  6. Step 6: Final answer
    x = 3,870.68

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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.