Home / 6,947.46-10,421.26-2,731.14

Finding the Fourth Proportional to 6,947.46, 10,421.26 and 2,731.14

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Solution

The fourth proportional to 6,947.46, 10,421.26 and 2,731.14 is: 4,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.46 : 10,421.26 = 2,731.14 : x
  2. Step 2: Convert to fraction form
    6,947.46/10,421.26 = 2,731.14/x
  3. Step 3: Cross multiply
    6,947.46x = 10,421.26 × 2,731.14
  4. Step 4: Simplify right side
    6,947.46x = 28,461,913.21
  5. Step 5: Solve for x
    x = 28,461,913.21/6,947.46
  6. Step 6: Final answer
    x = 4,096.74

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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.