Home / 3,905.01-5,384.88-2,332.80

Finding the Fourth Proportional to 3,905.01, 5,384.88 and 2,332.80

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Solution

The fourth proportional to 3,905.01, 5,384.88 and 2,332.80 is: 3,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.01 : 5,384.88 = 2,332.80 : x
  2. Step 2: Convert to fraction form
    3,905.01/5,384.88 = 2,332.80/x
  3. Step 3: Cross multiply
    3,905.01x = 5,384.88 × 2,332.80
  4. Step 4: Simplify right side
    3,905.01x = 12,561,848.06
  5. Step 5: Solve for x
    x = 12,561,848.06/3,905.01
  6. Step 6: Final answer
    x = 3,216.85

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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.