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Finding the Fourth Proportional to 2,729.40, 4,088.03 and 2,364.90

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Solution

The fourth proportional to 2,729.40, 4,088.03 and 2,364.90 is: 3,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.40 : 4,088.03 = 2,364.90 : x
  2. Step 2: Convert to fraction form
    2,729.40/4,088.03 = 2,364.90/x
  3. Step 3: Cross multiply
    2,729.40x = 4,088.03 × 2,364.90
  4. Step 4: Simplify right side
    2,729.40x = 9,667,770.32
  5. Step 5: Solve for x
    x = 9,667,770.32/2,729.40
  6. Step 6: Final answer
    x = 3,542.09

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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.