Home / 5,613.24-8,417.13-2,103.78

Finding the Fourth Proportional to 5,613.24, 8,417.13 and 2,103.78

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Solution

The fourth proportional to 5,613.24, 8,417.13 and 2,103.78 is: 3,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.24 : 8,417.13 = 2,103.78 : x
  2. Step 2: Convert to fraction form
    5,613.24/8,417.13 = 2,103.78/x
  3. Step 3: Cross multiply
    5,613.24x = 8,417.13 × 2,103.78
  4. Step 4: Simplify right side
    5,613.24x = 17,707,789.75
  5. Step 5: Solve for x
    x = 17,707,789.75/5,613.24
  6. Step 6: Final answer
    x = 3,154.65

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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.