Home / 3,006.52-4,149.02-1,680.28

Finding the Fourth Proportional to 3,006.52, 4,149.02 and 1,680.28

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Solution

The fourth proportional to 3,006.52, 4,149.02 and 1,680.28 is: 2,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.52 : 4,149.02 = 1,680.28 : x
  2. Step 2: Convert to fraction form
    3,006.52/4,149.02 = 1,680.28/x
  3. Step 3: Cross multiply
    3,006.52x = 4,149.02 × 1,680.28
  4. Step 4: Simplify right side
    3,006.52x = 6,971,515.33
  5. Step 5: Solve for x
    x = 6,971,515.33/3,006.52
  6. Step 6: Final answer
    x = 2,318.80

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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.