Home / 3,674.18-5,511.02-1,076.90

Finding the Fourth Proportional to 3,674.18, 5,511.02 and 1,076.90

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Solution

The fourth proportional to 3,674.18, 5,511.02 and 1,076.90 is: 1,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.18 : 5,511.02 = 1,076.90 : x
  2. Step 2: Convert to fraction form
    3,674.18/5,511.02 = 1,076.90/x
  3. Step 3: Cross multiply
    3,674.18x = 5,511.02 × 1,076.90
  4. Step 4: Simplify right side
    3,674.18x = 5,934,817.44
  5. Step 5: Solve for x
    x = 5,934,817.44/3,674.18
  6. Step 6: Final answer
    x = 1,615.28

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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.