Home / 3,975.04-5,964.54-1,635.80

Finding the Fourth Proportional to 3,975.04, 5,964.54 and 1,635.80

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Solution

The fourth proportional to 3,975.04, 5,964.54 and 1,635.80 is: 2,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.04 : 5,964.54 = 1,635.80 : x
  2. Step 2: Convert to fraction form
    3,975.04/5,964.54 = 1,635.80/x
  3. Step 3: Cross multiply
    3,975.04x = 5,964.54 × 1,635.80
  4. Step 4: Simplify right side
    3,975.04x = 9,756,758.58
  5. Step 5: Solve for x
    x = 9,756,758.58/3,975.04
  6. Step 6: Final answer
    x = 2,454.50

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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.