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Finding the Fourth Proportional to 2,735.76, 4,082.70 and 2,443.92

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Solution

The fourth proportional to 2,735.76, 4,082.70 and 2,443.92 is: 3,647.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.76 : 4,082.70 = 2,443.92 : x
  2. Step 2: Convert to fraction form
    2,735.76/4,082.70 = 2,443.92/x
  3. Step 3: Cross multiply
    2,735.76x = 4,082.70 × 2,443.92
  4. Step 4: Simplify right side
    2,735.76x = 9,977,792.18
  5. Step 5: Solve for x
    x = 9,977,792.18/2,735.76
  6. Step 6: Final answer
    x = 3,647.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.