Home / 5,723.88-7,900.26-4,790.76

Finding the Fourth Proportional to 5,723.88, 7,900.26 and 4,790.76

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Solution

The fourth proportional to 5,723.88, 7,900.26 and 4,790.76 is: 6,612.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.88 : 7,900.26 = 4,790.76 : x
  2. Step 2: Convert to fraction form
    5,723.88/7,900.26 = 4,790.76/x
  3. Step 3: Cross multiply
    5,723.88x = 7,900.26 × 4,790.76
  4. Step 4: Simplify right side
    5,723.88x = 37,848,249.60
  5. Step 5: Solve for x
    x = 37,848,249.60/5,723.88
  6. Step 6: Final answer
    x = 6,612.34

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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.