Home / 5,611.01-7,744.77-3,932.87

Finding the Fourth Proportional to 5,611.01, 7,744.77 and 3,932.87

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Solution

The fourth proportional to 5,611.01, 7,744.77 and 3,932.87 is: 5,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.01 : 7,744.77 = 3,932.87 : x
  2. Step 2: Convert to fraction form
    5,611.01/7,744.77 = 3,932.87/x
  3. Step 3: Cross multiply
    5,611.01x = 7,744.77 × 3,932.87
  4. Step 4: Simplify right side
    5,611.01x = 30,459,134.87
  5. Step 5: Solve for x
    x = 30,459,134.87/5,611.01
  6. Step 6: Final answer
    x = 5,428.46

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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.