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Finding the Fourth Proportional to 5,774.82, 7,965.90 and 3,416.51

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Solution

The fourth proportional to 5,774.82, 7,965.90 and 3,416.51 is: 4,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.82 : 7,965.90 = 3,416.51 : x
  2. Step 2: Convert to fraction form
    5,774.82/7,965.90 = 3,416.51/x
  3. Step 3: Cross multiply
    5,774.82x = 7,965.90 × 3,416.51
  4. Step 4: Simplify right side
    5,774.82x = 27,215,537.18
  5. Step 5: Solve for x
    x = 27,215,537.18/5,774.82
  6. Step 6: Final answer
    x = 4,712.79

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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.