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Finding the Fourth Proportional to 2,737.57, 3,778.07 and 1,558.82

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Solution

The fourth proportional to 2,737.57, 3,778.07 and 1,558.82 is: 2,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.57 : 3,778.07 = 1,558.82 : x
  2. Step 2: Convert to fraction form
    2,737.57/3,778.07 = 1,558.82/x
  3. Step 3: Cross multiply
    2,737.57x = 3,778.07 × 1,558.82
  4. Step 4: Simplify right side
    2,737.57x = 5,889,331.08
  5. Step 5: Solve for x
    x = 5,889,331.08/2,737.57
  6. Step 6: Final answer
    x = 2,151.30

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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.