Home / 6,947.76-10,424.36-3,049.40

Finding the Fourth Proportional to 6,947.76, 10,424.36 and 3,049.40

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Solution

The fourth proportional to 6,947.76, 10,424.36 and 3,049.40 is: 4,575.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.76 : 10,424.36 = 3,049.40 : x
  2. Step 2: Convert to fraction form
    6,947.76/10,424.36 = 3,049.40/x
  3. Step 3: Cross multiply
    6,947.76x = 10,424.36 × 3,049.40
  4. Step 4: Simplify right side
    6,947.76x = 31,788,043.38
  5. Step 5: Solve for x
    x = 31,788,043.38/6,947.76
  6. Step 6: Final answer
    x = 4,575.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.