Home / 5,076.15-7,613.96-1,613.13

Finding the Fourth Proportional to 5,076.15, 7,613.96 and 1,613.13

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Solution

The fourth proportional to 5,076.15, 7,613.96 and 1,613.13 is: 2,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.15 : 7,613.96 = 1,613.13 : x
  2. Step 2: Convert to fraction form
    5,076.15/7,613.96 = 1,613.13/x
  3. Step 3: Cross multiply
    5,076.15x = 7,613.96 × 1,613.13
  4. Step 4: Simplify right side
    5,076.15x = 12,282,299.23
  5. Step 5: Solve for x
    x = 12,282,299.23/5,076.15
  6. Step 6: Final answer
    x = 2,419.61

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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.