Home / 5,806.37-8,709.88-1,857.98

Finding the Fourth Proportional to 5,806.37, 8,709.88 and 1,857.98

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Solution

The fourth proportional to 5,806.37, 8,709.88 and 1,857.98 is: 2,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.37 : 8,709.88 = 1,857.98 : x
  2. Step 2: Convert to fraction form
    5,806.37/8,709.88 = 1,857.98/x
  3. Step 3: Cross multiply
    5,806.37x = 8,709.88 × 1,857.98
  4. Step 4: Simplify right side
    5,806.37x = 16,182,739.29
  5. Step 5: Solve for x
    x = 16,182,739.29/5,806.37
  6. Step 6: Final answer
    x = 2,787.07

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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.