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Finding the Fourth Proportional to 5,788.39, 7,991.04 and 4,459.18

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Solution

The fourth proportional to 5,788.39, 7,991.04 and 4,459.18 is: 6,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788.39 : 7,991.04 = 4,459.18 : x
  2. Step 2: Convert to fraction form
    5,788.39/7,991.04 = 4,459.18/x
  3. Step 3: Cross multiply
    5,788.39x = 7,991.04 × 4,459.18
  4. Step 4: Simplify right side
    5,788.39x = 35,633,485.75
  5. Step 5: Solve for x
    x = 35,633,485.75/5,788.39
  6. Step 6: Final answer
    x = 6,156.03

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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.