Home / 2,700.17-3,729.75-1,993.45

Finding the Fourth Proportional to 2,700.17, 3,729.75 and 1,993.45

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Solution

The fourth proportional to 2,700.17, 3,729.75 and 1,993.45 is: 2,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.17 : 3,729.75 = 1,993.45 : x
  2. Step 2: Convert to fraction form
    2,700.17/3,729.75 = 1,993.45/x
  3. Step 3: Cross multiply
    2,700.17x = 3,729.75 × 1,993.45
  4. Step 4: Simplify right side
    2,700.17x = 7,435,070.14
  5. Step 5: Solve for x
    x = 7,435,070.14/2,700.17
  6. Step 6: Final answer
    x = 2,753.56

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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.