Home / 5,660.15-8,482.03-3,189.72

Finding the Fourth Proportional to 5,660.15, 8,482.03 and 3,189.72

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Solution

The fourth proportional to 5,660.15, 8,482.03 and 3,189.72 is: 4,779.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.15 : 8,482.03 = 3,189.72 : x
  2. Step 2: Convert to fraction form
    5,660.15/8,482.03 = 3,189.72/x
  3. Step 3: Cross multiply
    5,660.15x = 8,482.03 × 3,189.72
  4. Step 4: Simplify right side
    5,660.15x = 27,055,269.41
  5. Step 5: Solve for x
    x = 27,055,269.41/5,660.15
  6. Step 6: Final answer
    x = 4,779.95

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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.