Home / 5,779.15-8,671.46-5,511.24

Finding the Fourth Proportional to 5,779.15, 8,671.46 and 5,511.24

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Solution

The fourth proportional to 5,779.15, 8,671.46 and 5,511.24 is: 8,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.15 : 8,671.46 = 5,511.24 : x
  2. Step 2: Convert to fraction form
    5,779.15/8,671.46 = 5,511.24/x
  3. Step 3: Cross multiply
    5,779.15x = 8,671.46 × 5,511.24
  4. Step 4: Simplify right side
    5,779.15x = 47,790,469.65
  5. Step 5: Solve for x
    x = 47,790,469.65/5,779.15
  6. Step 6: Final answer
    x = 8,269.47

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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.