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Finding the Fourth Proportional to 5,622.92, 7,758.68 and 3,265

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Solution

The fourth proportional to 5,622.92, 7,758.68 and 3,265 is: 4,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.92 : 7,758.68 = 3,265 : x
  2. Step 2: Convert to fraction form
    5,622.92/7,758.68 = 3,265/x
  3. Step 3: Cross multiply
    5,622.92x = 7,758.68 × 3,265
  4. Step 4: Simplify right side
    5,622.92x = 25,332,090.20
  5. Step 5: Solve for x
    x = 25,332,090.20/5,622.92
  6. Step 6: Final answer
    x = 4,505.15

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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.