Home / 5,186.19-7,673.52-5,171.61

Finding the Fourth Proportional to 5,186.19, 7,673.52 and 5,171.61

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Solution

The fourth proportional to 5,186.19, 7,673.52 and 5,171.61 is: 7,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.19 : 7,673.52 = 5,171.61 : x
  2. Step 2: Convert to fraction form
    5,186.19/7,673.52 = 5,171.61/x
  3. Step 3: Cross multiply
    5,186.19x = 7,673.52 × 5,171.61
  4. Step 4: Simplify right side
    5,186.19x = 39,684,452.77
  5. Step 5: Solve for x
    x = 39,684,452.77/5,186.19
  6. Step 6: Final answer
    x = 7,651.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.