Home / 2,729.46-4,090.77-1,167.63

Finding the Fourth Proportional to 2,729.46, 4,090.77 and 1,167.63

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Solution

The fourth proportional to 2,729.46, 4,090.77 and 1,167.63 is: 1,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.46 : 4,090.77 = 1,167.63 : x
  2. Step 2: Convert to fraction form
    2,729.46/4,090.77 = 1,167.63/x
  3. Step 3: Cross multiply
    2,729.46x = 4,090.77 × 1,167.63
  4. Step 4: Simplify right side
    2,729.46x = 4,776,505.78
  5. Step 5: Solve for x
    x = 4,776,505.78/2,729.46
  6. Step 6: Final answer
    x = 1,749.98

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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.