Home / 3,253.19-4,874.85-2,153.61

Finding the Fourth Proportional to 3,253.19, 4,874.85 and 2,153.61

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Solution

The fourth proportional to 3,253.19, 4,874.85 and 2,153.61 is: 3,227.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.19 : 4,874.85 = 2,153.61 : x
  2. Step 2: Convert to fraction form
    3,253.19/4,874.85 = 2,153.61/x
  3. Step 3: Cross multiply
    3,253.19x = 4,874.85 × 2,153.61
  4. Step 4: Simplify right side
    3,253.19x = 10,498,525.71
  5. Step 5: Solve for x
    x = 10,498,525.71/3,253.19
  6. Step 6: Final answer
    x = 3,227.15

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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.