Home / 3,532.80-5,297.20-1,341.60

Finding the Fourth Proportional to 3,532.80, 5,297.20 and 1,341.60

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Solution

The fourth proportional to 3,532.80, 5,297.20 and 1,341.60 is: 2,011.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.80 : 5,297.20 = 1,341.60 : x
  2. Step 2: Convert to fraction form
    3,532.80/5,297.20 = 1,341.60/x
  3. Step 3: Cross multiply
    3,532.80x = 5,297.20 × 1,341.60
  4. Step 4: Simplify right side
    3,532.80x = 7,106,723.52
  5. Step 5: Solve for x
    x = 7,106,723.52/3,532.80
  6. Step 6: Final answer
    x = 2,011.64

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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.