Home / 5,893.60-8,118.96-4,122.40

Finding the Fourth Proportional to 5,893.60, 8,118.96 and 4,122.40

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Solution

The fourth proportional to 5,893.60, 8,118.96 and 4,122.40 is: 5,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,893.60 : 8,118.96 = 4,122.40 : x
  2. Step 2: Convert to fraction form
    5,893.60/8,118.96 = 4,122.40/x
  3. Step 3: Cross multiply
    5,893.60x = 8,118.96 × 4,122.40
  4. Step 4: Simplify right side
    5,893.60x = 33,469,600.70
  5. Step 5: Solve for x
    x = 33,469,600.70/5,893.60
  6. Step 6: Final answer
    x = 5,678.97

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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.