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Finding the Fourth Proportional to 5,390.84, 8,086.35 and 1,495.25

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Solution

The fourth proportional to 5,390.84, 8,086.35 and 1,495.25 is: 2,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.84 : 8,086.35 = 1,495.25 : x
  2. Step 2: Convert to fraction form
    5,390.84/8,086.35 = 1,495.25/x
  3. Step 3: Cross multiply
    5,390.84x = 8,086.35 × 1,495.25
  4. Step 4: Simplify right side
    5,390.84x = 12,091,074.41
  5. Step 5: Solve for x
    x = 12,091,074.41/5,390.84
  6. Step 6: Final answer
    x = 2,242.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.