Home / 5,188.92-7,160.88-2,950.71

Finding the Fourth Proportional to 5,188.92, 7,160.88 and 2,950.71

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Solution

The fourth proportional to 5,188.92, 7,160.88 and 2,950.71 is: 4,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.92 : 7,160.88 = 2,950.71 : x
  2. Step 2: Convert to fraction form
    5,188.92/7,160.88 = 2,950.71/x
  3. Step 3: Cross multiply
    5,188.92x = 7,160.88 × 2,950.71
  4. Step 4: Simplify right side
    5,188.92x = 21,129,680.22
  5. Step 5: Solve for x
    x = 21,129,680.22/5,188.92
  6. Step 6: Final answer
    x = 4,072.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.