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Finding the Fourth Proportional to 2,059.20, 3,085.20 and 1,735.20

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Solution

The fourth proportional to 2,059.20, 3,085.20 and 1,735.20 is: 2,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.20 : 3,085.20 = 1,735.20 : x
  2. Step 2: Convert to fraction form
    2,059.20/3,085.20 = 1,735.20/x
  3. Step 3: Cross multiply
    2,059.20x = 3,085.20 × 1,735.20
  4. Step 4: Simplify right side
    2,059.20x = 5,353,439.04
  5. Step 5: Solve for x
    x = 5,353,439.04/2,059.20
  6. Step 6: Final answer
    x = 2,599.77

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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.