Home / 5,979.20-8,905.62-5,666.94

Finding the Fourth Proportional to 5,979.20, 8,905.62 and 5,666.94

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Solution

The fourth proportional to 5,979.20, 8,905.62 and 5,666.94 is: 8,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.20 : 8,905.62 = 5,666.94 : x
  2. Step 2: Convert to fraction form
    5,979.20/8,905.62 = 5,666.94/x
  3. Step 3: Cross multiply
    5,979.20x = 8,905.62 × 5,666.94
  4. Step 4: Simplify right side
    5,979.20x = 50,467,614.20
  5. Step 5: Solve for x
    x = 50,467,614.20/5,979.20
  6. Step 6: Final answer
    x = 8,440.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.