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Finding the Fourth Proportional to 5,758.65, 7,944.75 and 3,518.73

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Solution

The fourth proportional to 5,758.65, 7,944.75 and 3,518.73 is: 4,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.65 : 7,944.75 = 3,518.73 : x
  2. Step 2: Convert to fraction form
    5,758.65/7,944.75 = 3,518.73/x
  3. Step 3: Cross multiply
    5,758.65x = 7,944.75 × 3,518.73
  4. Step 4: Simplify right side
    5,758.65x = 27,955,430.17
  5. Step 5: Solve for x
    x = 27,955,430.17/5,758.65
  6. Step 6: Final answer
    x = 4,854.51

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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.