Home / 5,709.15-8,544.27-4,785.75

Finding the Fourth Proportional to 5,709.15, 8,544.27 and 4,785.75

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Solution

The fourth proportional to 5,709.15, 8,544.27 and 4,785.75 is: 7,162.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.15 : 8,544.27 = 4,785.75 : x
  2. Step 2: Convert to fraction form
    5,709.15/8,544.27 = 4,785.75/x
  3. Step 3: Cross multiply
    5,709.15x = 8,544.27 × 4,785.75
  4. Step 4: Simplify right side
    5,709.15x = 40,890,740.15
  5. Step 5: Solve for x
    x = 40,890,740.15/5,709.15
  6. Step 6: Final answer
    x = 7,162.32

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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.