Home / 5,786.37-8,678.61-2,666.25

Finding the Fourth Proportional to 5,786.37, 8,678.61 and 2,666.25

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Solution

The fourth proportional to 5,786.37, 8,678.61 and 2,666.25 is: 3,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.37 : 8,678.61 = 2,666.25 : x
  2. Step 2: Convert to fraction form
    5,786.37/8,678.61 = 2,666.25/x
  3. Step 3: Cross multiply
    5,786.37x = 8,678.61 × 2,666.25
  4. Step 4: Simplify right side
    5,786.37x = 23,139,343.91
  5. Step 5: Solve for x
    x = 23,139,343.91/5,786.37
  6. Step 6: Final answer
    x = 3,998.94

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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.