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Finding the Fourth Proportional to 2,957.37, 4,081.37 and 1,715.37

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Solution

The fourth proportional to 2,957.37, 4,081.37 and 1,715.37 is: 2,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.37 : 4,081.37 = 1,715.37 : x
  2. Step 2: Convert to fraction form
    2,957.37/4,081.37 = 1,715.37/x
  3. Step 3: Cross multiply
    2,957.37x = 4,081.37 × 1,715.37
  4. Step 4: Simplify right side
    2,957.37x = 7,001,049.45
  5. Step 5: Solve for x
    x = 7,001,049.45/2,957.37
  6. Step 6: Final answer
    x = 2,367.32

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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.