Home / 5,306.77-7,949.21-3,108.83

Finding the Fourth Proportional to 5,306.77, 7,949.21 and 3,108.83

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Solution

The fourth proportional to 5,306.77, 7,949.21 and 3,108.83 is: 4,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.77 : 7,949.21 = 3,108.83 : x
  2. Step 2: Convert to fraction form
    5,306.77/7,949.21 = 3,108.83/x
  3. Step 3: Cross multiply
    5,306.77x = 7,949.21 × 3,108.83
  4. Step 4: Simplify right side
    5,306.77x = 24,712,742.52
  5. Step 5: Solve for x
    x = 24,712,742.52/5,306.77
  6. Step 6: Final answer
    x = 4,656.83

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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.