Home / 4,101.31-5,655.44-2,686.24

Finding the Fourth Proportional to 4,101.31, 5,655.44 and 2,686.24

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Solution

The fourth proportional to 4,101.31, 5,655.44 and 2,686.24 is: 3,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.31 : 5,655.44 = 2,686.24 : x
  2. Step 2: Convert to fraction form
    4,101.31/5,655.44 = 2,686.24/x
  3. Step 3: Cross multiply
    4,101.31x = 5,655.44 × 2,686.24
  4. Step 4: Simplify right side
    4,101.31x = 15,191,861.72
  5. Step 5: Solve for x
    x = 15,191,861.72/4,101.31
  6. Step 6: Final answer
    x = 3,704.15

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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.