Home / 2,729.12-3,766.14-1,534.10

Finding the Fourth Proportional to 2,729.12, 3,766.14 and 1,534.10

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Solution

The fourth proportional to 2,729.12, 3,766.14 and 1,534.10 is: 2,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.12 : 3,766.14 = 1,534.10 : x
  2. Step 2: Convert to fraction form
    2,729.12/3,766.14 = 1,534.10/x
  3. Step 3: Cross multiply
    2,729.12x = 3,766.14 × 1,534.10
  4. Step 4: Simplify right side
    2,729.12x = 5,777,616.54
  5. Step 5: Solve for x
    x = 5,777,616.54/2,729.12
  6. Step 6: Final answer
    x = 2,117.03

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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.