Home / 3,635.87-5,011.67-2,454.89

Finding the Fourth Proportional to 3,635.87, 5,011.67 and 2,454.89

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Solution

The fourth proportional to 3,635.87, 5,011.67 and 2,454.89 is: 3,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.87 : 5,011.67 = 2,454.89 : x
  2. Step 2: Convert to fraction form
    3,635.87/5,011.67 = 2,454.89/x
  3. Step 3: Cross multiply
    3,635.87x = 5,011.67 × 2,454.89
  4. Step 4: Simplify right side
    3,635.87x = 12,303,079.65
  5. Step 5: Solve for x
    x = 12,303,079.65/3,635.87
  6. Step 6: Final answer
    x = 3,383.81

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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.