Home / 5,785.58-8,679.30-2,499.68

Finding the Fourth Proportional to 5,785.58, 8,679.30 and 2,499.68

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Solution

The fourth proportional to 5,785.58, 8,679.30 and 2,499.68 is: 3,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.58 : 8,679.30 = 2,499.68 : x
  2. Step 2: Convert to fraction form
    5,785.58/8,679.30 = 2,499.68/x
  3. Step 3: Cross multiply
    5,785.58x = 8,679.30 × 2,499.68
  4. Step 4: Simplify right side
    5,785.58x = 21,695,472.62
  5. Step 5: Solve for x
    x = 21,695,472.62/5,785.58
  6. Step 6: Final answer
    x = 3,749.92

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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.