Home / 4,916.80-6,784.68-2,927.44

Finding the Fourth Proportional to 4,916.80, 6,784.68 and 2,927.44

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Solution

The fourth proportional to 4,916.80, 6,784.68 and 2,927.44 is: 4,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.80 : 6,784.68 = 2,927.44 : x
  2. Step 2: Convert to fraction form
    4,916.80/6,784.68 = 2,927.44/x
  3. Step 3: Cross multiply
    4,916.80x = 6,784.68 × 2,927.44
  4. Step 4: Simplify right side
    4,916.80x = 19,861,743.62
  5. Step 5: Solve for x
    x = 19,861,743.62/4,916.80
  6. Step 6: Final answer
    x = 4,039.57

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1.5x scale

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.