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Finding the Fourth Proportional to 2,525.40, 3,787.29 and 2,201.40

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Solution

The fourth proportional to 2,525.40, 3,787.29 and 2,201.40 is: 3,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.40 : 3,787.29 = 2,201.40 : x
  2. Step 2: Convert to fraction form
    2,525.40/3,787.29 = 2,201.40/x
  3. Step 3: Cross multiply
    2,525.40x = 3,787.29 × 2,201.40
  4. Step 4: Simplify right side
    2,525.40x = 8,337,340.21
  5. Step 5: Solve for x
    x = 8,337,340.21/2,525.40
  6. Step 6: Final answer
    x = 3,301.39

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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.