Home / 3,964.19-5,470.55-2,285.58

Finding the Fourth Proportional to 3,964.19, 5,470.55 and 2,285.58

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Solution

The fourth proportional to 3,964.19, 5,470.55 and 2,285.58 is: 3,154.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.19 : 5,470.55 = 2,285.58 : x
  2. Step 2: Convert to fraction form
    3,964.19/5,470.55 = 2,285.58/x
  3. Step 3: Cross multiply
    3,964.19x = 5,470.55 × 2,285.58
  4. Step 4: Simplify right side
    3,964.19x = 12,503,410.18
  5. Step 5: Solve for x
    x = 12,503,410.18/3,964.19
  6. Step 6: Final answer
    x = 3,154.09

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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.