Home / 4,872.76-7,304.01-2,098.78

Finding the Fourth Proportional to 4,872.76, 7,304.01 and 2,098.78

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Solution

The fourth proportional to 4,872.76, 7,304.01 and 2,098.78 is: 3,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.76 : 7,304.01 = 2,098.78 : x
  2. Step 2: Convert to fraction form
    4,872.76/7,304.01 = 2,098.78/x
  3. Step 3: Cross multiply
    4,872.76x = 7,304.01 × 2,098.78
  4. Step 4: Simplify right side
    4,872.76x = 15,329,510.11
  5. Step 5: Solve for x
    x = 15,329,510.11/4,872.76
  6. Step 6: Final answer
    x = 3,145.96

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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.