Home / 4,916.80-6,782.89-2,926.94

Finding the Fourth Proportional to 4,916.80, 6,782.89 and 2,926.94

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Solution

The fourth proportional to 4,916.80, 6,782.89 and 2,926.94 is: 4,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.80 : 6,782.89 = 2,926.94 : x
  2. Step 2: Convert to fraction form
    4,916.80/6,782.89 = 2,926.94/x
  3. Step 3: Cross multiply
    4,916.80x = 6,782.89 × 2,926.94
  4. Step 4: Simplify right side
    4,916.80x = 19,853,076.31
  5. Step 5: Solve for x
    x = 19,853,076.31/4,916.80
  6. Step 6: Final answer
    x = 4,037.80

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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.