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Finding the Fourth Proportional to 5,890.84, 8,814.18 and 3,551.80

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Solution

The fourth proportional to 5,890.84, 8,814.18 and 3,551.80 is: 5,314.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.84 : 8,814.18 = 3,551.80 : x
  2. Step 2: Convert to fraction form
    5,890.84/8,814.18 = 3,551.80/x
  3. Step 3: Cross multiply
    5,890.84x = 8,814.18 × 3,551.80
  4. Step 4: Simplify right side
    5,890.84x = 31,306,204.52
  5. Step 5: Solve for x
    x = 31,306,204.52/5,890.84
  6. Step 6: Final answer
    x = 5,314.39

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1.5x scale

Why These Related Problems?

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