Home / 3,840.91-5,298.83-2,348.35

Finding the Fourth Proportional to 3,840.91, 5,298.83 and 2,348.35

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Solution

The fourth proportional to 3,840.91, 5,298.83 and 2,348.35 is: 3,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.91 : 5,298.83 = 2,348.35 : x
  2. Step 2: Convert to fraction form
    3,840.91/5,298.83 = 2,348.35/x
  3. Step 3: Cross multiply
    3,840.91x = 5,298.83 × 2,348.35
  4. Step 4: Simplify right side
    3,840.91x = 12,443,480.94
  5. Step 5: Solve for x
    x = 12,443,480.94/3,840.91
  6. Step 6: Final answer
    x = 3,239.73

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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.