Home / 4,916.88-6,780.24-3,424.08

Finding the Fourth Proportional to 4,916.88, 6,780.24 and 3,424.08

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Solution

The fourth proportional to 4,916.88, 6,780.24 and 3,424.08 is: 4,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.88 : 6,780.24 = 3,424.08 : x
  2. Step 2: Convert to fraction form
    4,916.88/6,780.24 = 3,424.08/x
  3. Step 3: Cross multiply
    4,916.88x = 6,780.24 × 3,424.08
  4. Step 4: Simplify right side
    4,916.88x = 23,216,084.18
  5. Step 5: Solve for x
    x = 23,216,084.18/4,916.88
  6. Step 6: Final answer
    x = 4,721.71

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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.