Home / 4,874.79-6,726.99-3,106.96

Finding the Fourth Proportional to 4,874.79, 6,726.99 and 3,106.96

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Solution

The fourth proportional to 4,874.79, 6,726.99 and 3,106.96 is: 4,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.79 : 6,726.99 = 3,106.96 : x
  2. Step 2: Convert to fraction form
    4,874.79/6,726.99 = 3,106.96/x
  3. Step 3: Cross multiply
    4,874.79x = 6,726.99 × 3,106.96
  4. Step 4: Simplify right side
    4,874.79x = 20,900,488.85
  5. Step 5: Solve for x
    x = 20,900,488.85/4,874.79
  6. Step 6: Final answer
    x = 4,287.46

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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.