Home / 3,753.02-5,179.18-2,074.40

Finding the Fourth Proportional to 3,753.02, 5,179.18 and 2,074.40

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Solution

The fourth proportional to 3,753.02, 5,179.18 and 2,074.40 is: 2,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.02 : 5,179.18 = 2,074.40 : x
  2. Step 2: Convert to fraction form
    3,753.02/5,179.18 = 2,074.40/x
  3. Step 3: Cross multiply
    3,753.02x = 5,179.18 × 2,074.40
  4. Step 4: Simplify right side
    3,753.02x = 10,743,690.99
  5. Step 5: Solve for x
    x = 10,743,690.99/3,753.02
  6. Step 6: Final answer
    x = 2,862.68

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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.