Home / 5,789.12-8,684.40-2,325.60

Finding the Fourth Proportional to 5,789.12, 8,684.40 and 2,325.60

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Solution

The fourth proportional to 5,789.12, 8,684.40 and 2,325.60 is: 3,488.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.12 : 8,684.40 = 2,325.60 : x
  2. Step 2: Convert to fraction form
    5,789.12/8,684.40 = 2,325.60/x
  3. Step 3: Cross multiply
    5,789.12x = 8,684.40 × 2,325.60
  4. Step 4: Simplify right side
    5,789.12x = 20,196,440.64
  5. Step 5: Solve for x
    x = 20,196,440.64/5,789.12
  6. Step 6: Final answer
    x = 3,488.69

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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.