Home / 4,916.55-6,787.14-3,149.16

Finding the Fourth Proportional to 4,916.55, 6,787.14 and 3,149.16

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Solution

The fourth proportional to 4,916.55, 6,787.14 and 3,149.16 is: 4,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.55 : 6,787.14 = 3,149.16 : x
  2. Step 2: Convert to fraction form
    4,916.55/6,787.14 = 3,149.16/x
  3. Step 3: Cross multiply
    4,916.55x = 6,787.14 × 3,149.16
  4. Step 4: Simplify right side
    4,916.55x = 21,373,789.80
  5. Step 5: Solve for x
    x = 21,373,789.80/4,916.55
  6. Step 6: Final answer
    x = 4,347.31

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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.