Home / 5,699.94-7,857.28-4,438.77

Finding the Fourth Proportional to 5,699.94, 7,857.28 and 4,438.77

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Solution

The fourth proportional to 5,699.94, 7,857.28 and 4,438.77 is: 6,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.94 : 7,857.28 = 4,438.77 : x
  2. Step 2: Convert to fraction form
    5,699.94/7,857.28 = 4,438.77/x
  3. Step 3: Cross multiply
    5,699.94x = 7,857.28 × 4,438.77
  4. Step 4: Simplify right side
    5,699.94x = 34,876,658.75
  5. Step 5: Solve for x
    x = 34,876,658.75/5,699.94
  6. Step 6: Final answer
    x = 6,118.78

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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.