Home / 3,515.49-4,851.90-2,674.80

Finding the Fourth Proportional to 3,515.49, 4,851.90 and 2,674.80

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Solution

The fourth proportional to 3,515.49, 4,851.90 and 2,674.80 is: 3,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.49 : 4,851.90 = 2,674.80 : x
  2. Step 2: Convert to fraction form
    3,515.49/4,851.90 = 2,674.80/x
  3. Step 3: Cross multiply
    3,515.49x = 4,851.90 × 2,674.80
  4. Step 4: Simplify right side
    3,515.49x = 12,977,862.12
  5. Step 5: Solve for x
    x = 12,977,862.12/3,515.49
  6. Step 6: Final answer
    x = 3,691.62

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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.