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Finding the Fourth Proportional to 2,735.38, 3,772.69 and 2,420.98

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Solution

The fourth proportional to 2,735.38, 3,772.69 and 2,420.98 is: 3,339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.38 : 3,772.69 = 2,420.98 : x
  2. Step 2: Convert to fraction form
    2,735.38/3,772.69 = 2,420.98/x
  3. Step 3: Cross multiply
    2,735.38x = 3,772.69 × 2,420.98
  4. Step 4: Simplify right side
    2,735.38x = 9,133,607.04
  5. Step 5: Solve for x
    x = 9,133,607.04/2,735.38
  6. Step 6: Final answer
    x = 3,339.06

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1.5x scale

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.