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Finding the Fourth Proportional to 2,657.48, 3,983.72 and 901.26

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Solution

The fourth proportional to 2,657.48, 3,983.72 and 901.26 is: 1,351.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.48 : 3,983.72 = 901.26 : x
  2. Step 2: Convert to fraction form
    2,657.48/3,983.72 = 901.26/x
  3. Step 3: Cross multiply
    2,657.48x = 3,983.72 × 901.26
  4. Step 4: Simplify right side
    2,657.48x = 3,590,367.49
  5. Step 5: Solve for x
    x = 3,590,367.49/2,657.48
  6. Step 6: Final answer
    x = 1,351.04

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Similar ratio
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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.