Home / 5,613.70-8,421.46-2,104.94

Finding the Fourth Proportional to 5,613.70, 8,421.46 and 2,104.94

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Solution

The fourth proportional to 5,613.70, 8,421.46 and 2,104.94 is: 3,157.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.70 : 8,421.46 = 2,104.94 : x
  2. Step 2: Convert to fraction form
    5,613.70/8,421.46 = 2,104.94/x
  3. Step 3: Cross multiply
    5,613.70x = 8,421.46 × 2,104.94
  4. Step 4: Simplify right side
    5,613.70x = 17,726,668.01
  5. Step 5: Solve for x
    x = 17,726,668.01/5,613.70
  6. Step 6: Final answer
    x = 3,157.75

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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.