Home / 5,124.26-7,684.42-1,613.52

Finding the Fourth Proportional to 5,124.26, 7,684.42 and 1,613.52

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Solution

The fourth proportional to 5,124.26, 7,684.42 and 1,613.52 is: 2,419.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.26 : 7,684.42 = 1,613.52 : x
  2. Step 2: Convert to fraction form
    5,124.26/7,684.42 = 1,613.52/x
  3. Step 3: Cross multiply
    5,124.26x = 7,684.42 × 1,613.52
  4. Step 4: Simplify right side
    5,124.26x = 12,398,964.35
  5. Step 5: Solve for x
    x = 12,398,964.35/5,124.26
  6. Step 6: Final answer
    x = 2,419.66

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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.