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Finding the Fourth Proportional to 3,093.40, 4,640.79 and 1,534.25

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Solution

The fourth proportional to 3,093.40, 4,640.79 and 1,534.25 is: 2,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.40 : 4,640.79 = 1,534.25 : x
  2. Step 2: Convert to fraction form
    3,093.40/4,640.79 = 1,534.25/x
  3. Step 3: Cross multiply
    3,093.40x = 4,640.79 × 1,534.25
  4. Step 4: Simplify right side
    3,093.40x = 7,120,132.06
  5. Step 5: Solve for x
    x = 7,120,132.06/3,093.40
  6. Step 6: Final answer
    x = 2,301.72

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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.