Home / 3,992.15-5,507.52-2,575.53

Finding the Fourth Proportional to 3,992.15, 5,507.52 and 2,575.53

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Solution

The fourth proportional to 3,992.15, 5,507.52 and 2,575.53 is: 3,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.15 : 5,507.52 = 2,575.53 : x
  2. Step 2: Convert to fraction form
    3,992.15/5,507.52 = 2,575.53/x
  3. Step 3: Cross multiply
    3,992.15x = 5,507.52 × 2,575.53
  4. Step 4: Simplify right side
    3,992.15x = 14,184,782.99
  5. Step 5: Solve for x
    x = 14,184,782.99/3,992.15
  6. Step 6: Final answer
    x = 3,553.17

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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.