Home / 5,491.60-8,237.44-4,394.56

Finding the Fourth Proportional to 5,491.60, 8,237.44 and 4,394.56

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Solution

The fourth proportional to 5,491.60, 8,237.44 and 4,394.56 is: 6,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.60 : 8,237.44 = 4,394.56 : x
  2. Step 2: Convert to fraction form
    5,491.60/8,237.44 = 4,394.56/x
  3. Step 3: Cross multiply
    5,491.60x = 8,237.44 × 4,394.56
  4. Step 4: Simplify right side
    5,491.60x = 36,199,924.33
  5. Step 5: Solve for x
    x = 36,199,924.33/5,491.60
  6. Step 6: Final answer
    x = 6,591.87

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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.