Home / 5,087.93-7,021.79-2,849.77

Finding the Fourth Proportional to 5,087.93, 7,021.79 and 2,849.77

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Solution

The fourth proportional to 5,087.93, 7,021.79 and 2,849.77 is: 3,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.93 : 7,021.79 = 2,849.77 : x
  2. Step 2: Convert to fraction form
    5,087.93/7,021.79 = 2,849.77/x
  3. Step 3: Cross multiply
    5,087.93x = 7,021.79 × 2,849.77
  4. Step 4: Simplify right side
    5,087.93x = 20,010,486.49
  5. Step 5: Solve for x
    x = 20,010,486.49/5,087.93
  6. Step 6: Final answer
    x = 3,932.93

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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.