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Finding the Fourth Proportional to 3,377.94, 5,059.71 and 1,916.34

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Solution

The fourth proportional to 3,377.94, 5,059.71 and 1,916.34 is: 2,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.94 : 5,059.71 = 1,916.34 : x
  2. Step 2: Convert to fraction form
    3,377.94/5,059.71 = 1,916.34/x
  3. Step 3: Cross multiply
    3,377.94x = 5,059.71 × 1,916.34
  4. Step 4: Simplify right side
    3,377.94x = 9,696,124.66
  5. Step 5: Solve for x
    x = 9,696,124.66/3,377.94
  6. Step 6: Final answer
    x = 2,870.43

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1.5x scale

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.