Home / 4,890.13-6,748.31-2,794.66

Finding the Fourth Proportional to 4,890.13, 6,748.31 and 2,794.66

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Solution

The fourth proportional to 4,890.13, 6,748.31 and 2,794.66 is: 3,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.13 : 6,748.31 = 2,794.66 : x
  2. Step 2: Convert to fraction form
    4,890.13/6,748.31 = 2,794.66/x
  3. Step 3: Cross multiply
    4,890.13x = 6,748.31 × 2,794.66
  4. Step 4: Simplify right side
    4,890.13x = 18,859,222.14
  5. Step 5: Solve for x
    x = 18,859,222.14/4,890.13
  6. Step 6: Final answer
    x = 3,856.59

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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.