Home / 5,589.72-7,716.24-3,602.88

Finding the Fourth Proportional to 5,589.72, 7,716.24 and 3,602.88

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Solution

The fourth proportional to 5,589.72, 7,716.24 and 3,602.88 is: 4,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.72 : 7,716.24 = 3,602.88 : x
  2. Step 2: Convert to fraction form
    5,589.72/7,716.24 = 3,602.88/x
  3. Step 3: Cross multiply
    5,589.72x = 7,716.24 × 3,602.88
  4. Step 4: Simplify right side
    5,589.72x = 27,800,686.77
  5. Step 5: Solve for x
    x = 27,800,686.77/5,589.72
  6. Step 6: Final answer
    x = 4,973.54

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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.