Home / 3,265.08-4,505.04-1,920.48

Finding the Fourth Proportional to 3,265.08, 4,505.04 and 1,920.48

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Solution

The fourth proportional to 3,265.08, 4,505.04 and 1,920.48 is: 2,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.08 : 4,505.04 = 1,920.48 : x
  2. Step 2: Convert to fraction form
    3,265.08/4,505.04 = 1,920.48/x
  3. Step 3: Cross multiply
    3,265.08x = 4,505.04 × 1,920.48
  4. Step 4: Simplify right side
    3,265.08x = 8,651,839.22
  5. Step 5: Solve for x
    x = 8,651,839.22/3,265.08
  6. Step 6: Final answer
    x = 2,649.81

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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.