Home / 5,408.92-8,097.60-4,890.13

Finding the Fourth Proportional to 5,408.92, 8,097.60 and 4,890.13

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Solution

The fourth proportional to 5,408.92, 8,097.60 and 4,890.13 is: 7,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.92 : 8,097.60 = 4,890.13 : x
  2. Step 2: Convert to fraction form
    5,408.92/8,097.60 = 4,890.13/x
  3. Step 3: Cross multiply
    5,408.92x = 8,097.60 × 4,890.13
  4. Step 4: Simplify right side
    5,408.92x = 39,598,316.69
  5. Step 5: Solve for x
    x = 39,598,316.69/5,408.92
  6. Step 6: Final answer
    x = 7,320.93

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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.